1. Which type of wire joint is commonly used to connect two wires of the same diameter in a straight line?
A. Tee Joint
B. Western Union Joint
C. Straight Joint
D. Britannia Joint
Ans:- B
2. The outer layers of a PNP transistor are made of which type of semiconductor material?
A. N-type semiconductor sandwiched between P-type material
B. P-type material only
C. N-type material only
D. N-type and P-type material only
Ans:- B
3. Which of the following will increase the induced EMF in an alternator?
A. Reduce the magnetic flux density in the rotor
B. Reduce the air gap between the stator and rotor
C. Increase the reluctance of the magnetic path
D. Use fractional pitch winding in the stator
Ans:- B
4. What does a red safety sign typically indicate in an electrical environment?
A. Warning
B. Danger
C. Notice
D. Caution
Ans:- B
5. Which factor should be considered first when selecting a site for installing an earth electrode to achieve low earth resistance?
A. Soil resistivity at the location
B. Type of electrical load connected
C. Shape of the electrode
D. Distance from the main distribution board
Ans:- A
6. What is a grounding system's primary purpose, especially with regard to current?
A. To give positive and negative sequence currents a way to travel
B. To make the electrical system more resistant
C. To prevent voltage accumulation by carrying fault currents to the earth
D. To isolate the system from the ground
Ans:- C
7. What is the primary purpose of biasing a transistor?
A. To prevent it from overheating
B. To turn it into a diode
C. To establish a proper operating point
D. To increase its current gain
Ans:- C
8. Which of the following types of electrical switches is shown in the given figure?
A. Multi position switch
B. Two-way switch
C. Four-pole switch
D. Intermediate switch
Ans:- D
9. In the two-wattmeter method of three-phase power measurement, if the readings of the two wattmeters are equal, then what is the power factor of the load?
A. Zero
B. 0.5 lagging
C. Unity
D. 0.5 leading
Ans:- C
10. Which of the following is NOT a benefit of using the 5S concept in an organisation?
A. People become more disciplined
B. Less absenteeism
C. Work at the workplace becomes more difficult
D. High-quality work with better productivity
Ans:- C
11. Which of the following is commonly adjusted during the calibration of an analog multimeter?
A. Rotate the knob to maximum
B. Adjust setting of the multiplier
C. Adjust pointer alignment to zero
D. Adjust selector switch for changing range
Ans:- C
12. What is the reactive power supplied by a 1-phase AC circuit for which V = 10∠−30° Volt and I = 10 ∠−30° ampere?
A. 86 VA
B. 0 VAR
C. 100 VA
D. 86.6 VAR
Ans:- B
13. Which of the following is a commercially used bidirectional switching device?
A. Silicon Controlled Rectifier (SCR)
B. Diode for Alternating Current (DIAC)
C. Triode for Alternating Current (TRIAC)
D. Unijunction Transistor (UJT)
Ans:- C
14. What does the average forward current rating of a diode signify?
A. Peak current in reverse bias
B. Maximum DC current the diode can handle continuously
C. Maximum AC current
D. Current at breakdown
Ans:- B
15. As per the synchroscope method of 3-phase alternators, the correct instant of synchronising is when the busbar and the incoming machine voltages
_______________.
A. are not equal in magnitude, are in phase and, have the same frequency
B. are equal in magnitude, are in phase and, have the same frequency
C. are equal in magnitude, are in phase and, have the different frequency
D. are equal in magnitude, are out of phase and, have the same frequency
Ans:- B
OHPC PREVIOUS YEAR QUESTION PAPER
16. Three ammeters X, Y, Z and two identical light points are connected across a battery as shown in the given figure. Which of the following options is true about the ammeter reading?
A. Reading of ammeter Y = Reading of ammeter Z
B. Reading of ammeter Y ˃ Reading of ammeter Z
C. Reading of ammeter X = Reading of ammeter Y
D. Reading of ammeter Y ˃ Reading of ammeter X
Ans:- A
17. Which of the following correctly describes the transistor regions with respect to doping?
A. Emitter: heavily doped, Base: lightly doped, Collector: moderately doped
B. All regions equally doped
C. Emitter: moderately doped, Base: lightly doped, Collector: heavily doped
D. Emitter: lightly doped, Base: heavily doped, Collector: moderately doped
Ans:- A
18. Which characteristic curve of a DC generator shows the relation between the terminal voltage and load current?
A. Internal characteristic
B. External characteristic
C. Open circuit characteristic
D. Magnetisation characteristic
Ans:- B
19. What is the purpose of conducting an earth resistance test periodically after installation?
A. To ensure the earthing system remains effective over time.
B. To find any voltage fluctuations in the circuit.
C. To measure the total power consumption of the circuit.
D. To check if the circuit is insulated properly
Ans:- A
20. In a parallel circuit, a 5 Ω resistor is connected in parallel with a 10 Ω resistor across a 20 V voltage source. What is the current flowing through the 10 Ω resistor?
A. 0.5 A
B. 4 A
C. 2 A
D. 6 A
Ans:- C
21. What is the preferred size of an earth wire for domestic installations, as per Indian standard?
A. Equal to the conductor size
B. Two times the conductor size
C. One-fourth of the conductor size
D. Half of the conductor size
Ans:- A
22. What is the minimum distance between the bottom of a ceiling fan and the floor as per IE rules?
A. 4.75 metres
B. 1.5 metres
C. 2.4 metres
D. 3.5 metres
Ans:- C
23. In a series RLC circuit, what condition must be met for the power factor to be leading?
A. Inductive reactance (XL) is equal to capacitive reactance (XC).
B. Inductive reactance (XL) is greater than capacitive reactance (XC).
C. Capacitive reactance (XC) is greater than inductive reactance (XL).
D. Resistance (R) is greater than the total reactance.
Ans:- C
24. Which of the following analog instruments uses fluid friction damping?
A. Moving iron instrument
B. Electrostatic voltmeter
C. Dynamometer type wattmeter
D. PMMC instrument
Ans:- B
25. Which of the following is the initial cause of rotation of a three-phase induction motor?
A. Relative velocity between rotating rotor conductor and rotating flux
B. Relative velocity between static stator conductor and rotating flux
C. Relative velocity between rotating flux and static rotor conductor
D. Relative velocity between rotating flux and rotating stator conductor
Ans:- C
26. Which type of PLC is best suited for small, standalone applications with a limited number of I/O points, such as controlling a single machine?
A. Modular PLC
B. Rack-mounted PLC
C. Compact PLC
D. Distributed PLC
Ans:- C
27. What is the main use of a hacksaw in fitting work?
A. To measure the length of components accurately and quickly
B. To bend wires or thin metal sheets safely and efficiently
C. To tighten screws and bolts during assembly work
D. To cut metal rods or plastic pipes with fine teeth
Ans:- D
28. Which of the following is the defining characteristic of a primary cell?
A. It is a source of direct current (DC) only.
B. It has a higher energy density than a secondary cell.
C. It is generally larger and heavier than a secondary cell.
D. Its chemical reaction is irreversible, making it non-rechargeable.
Ans:- D
29. What is the minimum depth recommended for earthing electrode installation as per standard norms?
A. 4 metres
B. 1 metre
C. 0.5 metre
D. 2.5 metres
Ans:- D
30. What happens to the power consumed if the voltage applied across a fixed resistor is doubled?
A. Quadruples
B. Doubles
C. Becomes half
D. Remains unchanged
Ans:- A
31. What is the primary function of an Automatic Meter Reading (AMR) system?
A. To automatically collect consumption data from meters and transfer it to a central database.
B. To generate electricity from renewable sources.
C. To allow consumers to remotely control their home appliances.
D. To provide real-time, two-way communication between the utility and the consumer.
Ans:- A
32. Each cell is rated as 1.5 volts and 2 AH. How should the cells be connected to make a battery of 6 volts and 2 AH?
A. 2 cells in parallel
B. 4 cells in a series
C. 2 cells in a series
D. 4 cells in parallel
Ans:- B
33. In V/f control of a three-phase induction motor, what happens if frequency is reduced but the voltage remains unchanged?
A. Motor torque decreases
B. Motor causes saturation
C. Motor stops running
D. Motor speed increases
Ans:- D
34. What is the most widely used wiring method in industrial electrical installations?
A. Cleat wiring
B. Conduit wiring
C. Casing-capping wiring
D. Surface wiring with battens
Ans:- B
35. What is the primary function of an electrolyte within any electrochemical cell or battery?
A. To conduct electrons between the two electrodes.
B. To provide the source of the chemical reactants for the reaction.
C. To act as a physical separator between the anode and cathode.
D. To enable the flow of ions between the anode and cathode.
Ans:- D
36. What is the relationship between RMS voltage and average voltage for a square waveform?
A. RMS voltage = √2 x Average voltage
B. RMS voltage = Average voltage
C. RMS voltage = Average voltage/√2
D. RMS voltage = 2 × Average voltage
Ans:- B
37. What is the fundamental principle behind the operation of a three-phase induction motor?
A. Electromagnetic induction
B. Back emf
C. Mutual capacitance
D. Static friction
Ans:- A
38. ______________ is a manually operated, heavy-duty main switch used to control and isolate three-phase power in an electrical circuit.
A. A single-pole, two-way switch
B. A bell push or pushbutton switch
C. An intermediate switch
D. An Iron Clad Triple Pole (ICTP) main switch
Ans:- D
39. Which of the following is a feature of modular PLCs?
A. Ideal for small applications only
B. All components are fixed and non-expandable
C. Can be expanded with additional modules
D. No separate power supply
Ans:- C
40. Which change is required for a DC series motor to rotate at a speed higher than its rated speed?
A. Reducing the magnetic field strength
B. Increasing the armature resistance
C. Reversing the polarity of the magnets
D. Increasing the number of turns on the coil
Ans:- A
41. Which type of wiring is known for good appearance and high durability?
A. Casing and capping wiring
B. Cleat wiring
C. TRS or CTS wiring
D. Metal conduit wiring
Ans:- D
42. What is the preferred dimension of the copper plate used in plate earthing?
A. 60 cm × 40 cm × 3.15 mm
B. 60 cm × 60 cm × 3.15 mm
C. 60 cm × 60 cm × 6.30 cm
D. 50 cm × 50 cm × 6.30 mm
Ans:- B
43. Why is a short-circuit test performed on a transformer?
A. To calculate voltage regulation
B. To determine iron loss
C. To measure flux leakage
D. To determine copper loss and equivalent impedance
Ans:- D
44. Why is a multiplate construction used in lead-acid batteries?
A. To increase capacity by increasing surface area
B. To reduce voltage
C. To increase internal resistance
D. To reduce the cost
Ans:- A
45. Overcharging a battery typically results in:
A. Reduced internal resistance
B. Improved efficiency
C. Reduction in battery life
D. Increase in energy output
Ans:- C
46. Which hand tool is used for nailing, straightening and bending work?
A. Hammer
B. Wire stripper
C. Pliers
D. Screwdriver
Ans:- A
47. The resistance of metals ________________ with a rise in temperature because they have a ________________.
A. decreases, positive temperature coefficient of resistance
B. decreases, negative temperature coefficient of resistance
C. increases, positive temperature coefficient of resistance
D. increases, negative temperature coefficient of resistance
Ans:- C
48. If a person is bleeding severely from a cut on their arm, what is the most important immediate action to take?
A. Ask the person to move the arm to check for range of motion.
B. Wash the wound with water.
C. Apply a tourniquet above the wound.
D. Apply direct pressure to the wound with a clean cloth.
Ans:- D
49. ____________ is a condition in a PN junction diode where the positive terminal of the battery is connected to the N-type region and the negative terminal is connected to the P-type region.
A. Neither forward bias nor reverse bias
B. Either forward bias or reverse bias
C. Reverse bias
D. Forward bias
Ans:- C
50. Why can a Moving Iron (MI) instrument be used for both, AC and DC?
A. Because it has a piece of soft iron inside
B. Due to its operation being based on current strength
C. Due to its scale not being uniform
D. Due to air friction damping
Ans:- B
51. Which device can be reset after a fault condition?
A. Resistor
B. Fuse
C. Capacitor
D. Circuit breaker.
Ans:- D
52. In a basic AC generator, what causes the sinusoidal variation of EMF?
A. Stationary coil in varying field
B. Rotating coil in uniform magnetic field
C. Magnetic shielding
D. Moving magnet
Ans:- B
53. Four cells are connected in parallel. Each cell is rated at 1.5 volts and 8 ampere-hours (AH). What is the total AH (ampere-hour) rating of the battery?
A. 16 AH
B. 12 AH
C. 32 AH
D. 20 AH
Ans:- C
54. What is the primary function of a Miniature Circuit Breaker (MCB)?
A. To stabilise voltage
B. To increase current
C. To protect circuits from overload and short circuit
D. To convert AC to DC
Ans:- C
55. Which feature distinguishes a cold chisel from other chisels?
A. It has a wooden handle only.
B. It is made of hardened steel to cut metals.
C. It has a rounded cutting edge.
D. It is designed exclusively for wood cutting.
Ans:- B
56. Which of the following is used in a control panel to protect against short circuits and overloads?
A. Busbar
B. Contactor
C. Indicator lamp
D. MCB
Ans:- D
57. The open-circuit test on a large power transformer is most often performed by applying a rated voltage to the low-voltage (LV) side while keeping the high- voltage (HV) side open. The primary reason for this procedure is to:
A. prevent the transformer from overheating during the test
B. achieve a high power factor for the test measurements
C. easily measure the no-load losses, which are higher on the LV side
D. keep the current drawn from the supply at a manageable level
Ans:- D
58. What is the primary active material of the positive plate (cathode) in a fully charged lead-acid battery?
A. Lead peroxide (PbO2)
B. Spongy lead (Pb)
C. Sulphuric acid (H2SO4)
D. Lead sulphate (PbSO4)
Ans:- A
59. In a real transformer under a load, which of the following statements is true regarding flux in the core?
A. Flux increases as the load increases.
B. Flux fluctuates with load current.
C. Flux decreases as the load increases.
D. Flux remains practically constant regardless of the load.
Ans:- D
60. The collector-base junction needs to be ______________ and the base-emitter junction needs to be __________ for a PNP transistor to function efficiently as an amplifier.
A. forward-biased, reverse-biased
B. reverse-biased, reverse-biased
C. reverse-biased, forward-biased
D. forward-biased, forward-biased
Ans:- C
OPTCL JMT QUESTION PAPER ELECTRICAL PAPER 📜
61. Which connection is used to reduce error in power measurement using a wattmeter?
A. Connect current coil across load side
B. Connect pressure coil across load side
C. Connect pressure coil across supply side
D. Connect current coil across supply side
Ans:- B
62. A series RLC circuit has a resistance R = 3 Ω, an inductive reactance XL = 8 Ω, and a capacitive reactance XC = 4 Ω. What is the magnitude of the impedance?
A. 5 Ω
B. 15 Ω
C. 10 Ω
D. 7 Ω
Ans:- A
63. In a layout diagram, which of the following is usually NOT displayed?
A. Internal coil winding of a motor
B. Lighting fixtures
C. Earthing pit locations
D. Physical location of DBs (Distribution Boards)
Ans:- A
64. When starting to measure current, what setting should one choose first on the multimeter?
A. Continuity mode
B. Lowest current range
C. Voltage setting
D. Highest current range
Ans:- D
65. Which insulation material is commonly used in high-voltage power cables above 33 kV?
A. Cross-Linked Polyethylene
B. Paper Insulated Lead Covered
C. Polyvinyl Chloride
D. Vulcanised India Rubber
Ans:- A
66. Find the current (I) flowing through the circuit shown in the figure given below.
A. 15 mA
B. 1.5 mA
C. 1.5 A
D. 0.0015 mA
Ans:- B
67. Which is the last step in a 5S concept used for improvement in an organisation?
A. Arranging item systematically
B. Sorting out needed items
C. Maintain established procedure
D. Keep the workplace shine
Ans:- C
68. What is the primary purpose of using a growler to test a DC motor armature?
A. To check the balance of the armature to prevent vibration
B. To magnetise the field poles of the motor
C. To detect short circuits, open circuits, and grounded coils in the armature winding
D. To measure the armature winding's insulation resistance
Ans:- C
69. What is the main purpose of earthing in an electrical system?
A. It provides a high resistance path.
B. It provides a path with low voltage.
C. It provides an alternative path to current flow.
D. It provides a path with low current.
Ans:- C
70. A plan note on an electrical drawing that says 'Install 6x6x4 Junction Box' refers to which aspect of the installation?
A. The type of conduit to be used.
B. The size of the circuit breaker.
C. The required size of the junction box in inches.
D. The number of wires to be installed in the box.
Ans:- C
71. Which of the following is the electrical layout shown below related to?
A. Hydraulic power station layout
B. Automatic flow control system
C. Conduit layout diagram of pump
D. Direct current recharge system
Ans:- C
72. _______ is a non-ferrous metal.
A. Cast iron
B. Wrought iron
C. Mild steel
D. Aluminium
Ans:- D
73. During earthing, earth electrodes shall be provided at:
A. only generating stations
B. only industrial plants
C. only substations
D. generating stations, substations, and consumer premises
Ans:- D
74. Which of the following is used as an electrical insulator?
A. Copper
B. Rubber
C. Aluminium
D. Steel
Ans:- B
75. Convert 78° into radian.
A. 13π/30
B. 78π/2
C. 20π/90
D. 2π/5
Ans:- A
76. Pipe electrodes used in earthing shall be made of:
A. ceramic materials
B. plastic pipes with sufficient wall thickness
C. painted or insulated metal rods
D. metal rod or pipe with a clean surface
Ans:- D
77. In a circuit, what is the function of an MCB (Miniature Circuit Breaker)?
A. To reduce power consumption in the circuit
B. To convert AC to DC
C. To increase the voltage to desired level
D. To protect the circuit from overload or short circuit
Ans:- D
78. Which of the following is a ferrous metal?
A. Aluminium
B. Cast Iron
C. Copper
D. Brass
Ans:- B
79. An acceleration of 1 m/s² is equal to _________ (in ft/s²).
A. 0.738
B. 3.281
C. 1.333
D. 0.305
Ans:- B
80. The ability of a metal to be stretched into wires is called _____.
A. ductility
B. malleability
C. hardness
D. toughness
Ans:- A
81. In electrical drawings, the symbol of a single cell (battery) is represented by:
A. a circle with a cross inside
B. a rectangle
C. a zig-zag line
D. two parallel lines, one longer than the other
Ans:- D
82. Steel is obtained by adding ______ to iron.
A. chromium
B. carbon
C. nickel
D. copper
Ans:- B
83. Find the HCF of numbers 24, 72 and 100.
A. 2
B. 6
C. 4
D. 12
Ans:- C
84. Which of the following is a physical property of metals?
A. Hardness
B. Ductility
C. Strength
D. Conductivity
Ans:- D
85. What is the addition of 1/2 + 1/8 + 5/12 ?
Ans
A. 5/24
B. 5/12
C. 21/24
D. 25/24
Ans:- D
86. Divide ₹720 in the ratio 3 : 5.
A. ₹300, ₹420
B. ₹240, ₹480
C. ₹280, ₹440
D. ₹270, ₹450
Ans:- D
87. The symbol with a circle and M inside, with + and − signs, represents a/an:
A. AC Motor (Single Phase)
B. DC Motor
C. Transformer
D. Generator
Ans:- B
88. What does ‘MCB’ stand for in an electrical layout diagram?
A. Main Cable Box
B. Motor Control Board
C. Miniature Circuit Breaker
D. Manual Control Box
Ans:- C
89. Which block in the function generator converts a triangular waveform into a sine waveform?
A. Voltage Comparator Multivibrator
B. Integrator
C. Output Amplifier
D. Resistance Diode Shaping Circuit
Ans:- D
90. What is the primary purpose of a layout diagram in electrical installation?
A. Indicate the physical location of wiring and accessories
B. Measure the voltage and current in the circuit
C. Display the internal connections of electrical machines
D. Show the appearance of electrical equipment only
Ans:- A
91. The value of sin 60⁰/cos 30⁰ is ?
A. 0
B. 1
C. 0.5
D. 2
Ans:- B
92. Which of the following units are part of the CGS system?
A. Foot, Pound, Second
B. Metre, Kilogram, Second
C. Centimetre, Gram, Second
D. Millimetre, Gram, Second
Ans:- C
93. In a balanced three-phase lamp load, what will the neutral current be?
A. Equal to line current
B. Zero
C. Half of line current
D. Maximum
Ans:- B
94. 60° is equal to _______ radians.
A. π
B. π/3
C. 2π/3
D. π/2
Ans:- B
95. The electrical symbol with a circle and G inside, with + and − signs, indicates a/an:
A. DC Motor
B. Generator
C. AC Motor
D. Capacitor
Ans:- B
96. What is the main purpose of an inverter in an electrical circuit?
A. To convert DC to AC
B. To regulate frequency
C. To step up the voltage
D. To measure current flow
Ans:- A
97. A porcelain plate with a groove houses the Nichrome wire in a coil form. Which type of heater is this?
A. Exposed element type heater
B. Immersion type heater
C. Tubular heater
D. Shell and coil type heater
Ans:- A
98. In an Automatic Power Factor Correction (APFC) panel, the primary function of a relay card is to:
A. protect the system from overvoltage by absorbing surges
B. directly measure the power factor of the APFC system
C. switch capacitor banks by providing isolation between the APFC controller and contactors
D. store energy to maintain voltage stability in the APFC system
Ans:- C
99. What happens if the current exceeds 6A in any phase?
A. Lamps will glow dim
B. MCB will trip and disconnect the circuit
C. The neutral wire will carry excess current
D. The ammeter will stop working
Ans:- B
100. Which of the following is an alloy steel?
A. Cast iron
B. Stainless steel
C. Mild steel
D. Wrought iron
Ans:- B
101. f the fourth proportional of 2, 5 and (x² + 1) is 65, then find the value of x⁴ + 10.
Ans A. 91
B. 635
C. 739
D. 266
Ans:- B
102. Mohit ranked 24th from the top and 36th from the bottom in his class. How many students are there in his class?
A. 60
B. 57
C. 59
D. 58
Ans:- C
103. All 29 students in a class are standing in a straight line facing north. Lavanya is 10th from the right end while Adi is 18th from the left end. How many students are standing between Lavanya and Adi?
A. 7
B. 1
C. 5
D. 2
Ans:- B
104. Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically
follow(s) from the statements.
Statements:
Some guns are roses. All roses are brakes.
Conclusions:
(I) Some guns are brakes.
(II) All brakes are roses
A. Only conclusion (I) follows.
B. Only conclusion (II) follows.
C. Both conclusions (I) and (II) follow.
D. Neither conclusion (I) nor (II) follows.
Ans:- A
105. Seven people A, B, C, D, E, F and G are sitting in a straight line, facing north. None sits to the left of C. Only three people sit between G and C. F is an immediate neighbour of both C and A. B sits to the immediate right of E. Who sits third to the right of D?
A. F
B. G
C. B
D. E
Ans:- C
106. Two pipes, P and Q, can fill a tank in 24 minutes and 30 minutes, respectively. If both pipes are opened together, how much time will it take to fill the tank?
A. 15 minutes 24 seconds
B. 13 minutes 20 seconds
C. 10 minutes 12 seconds
D. 12 minutes 18 seconds
Ans:- B
107. Seven boxes A, B, C, D, E, F, and G are stacked one on top of another, but not necessarily in the same order. A is kept at the bottom. Exactly two boxes are kept between A and D. Exactly two boxes are kept between D and E. Exactly three boxes are kept between B and F. C is kept immediately below B. Which box is third from the bottom?
A. G
B. D
C. E
D. F
Ans:- A
108. Find the least value of (3K²-5) for which the five digit number?.
A. -2
B. 22
C. 5
D. 7
Ans:- D
109. A solid cone of radius 14 cm and height 24 cm is melted and recast into a solid cylinder of radius 7 cm. Calculate the height of the cylinder.
A. 22 cm
B. 39 cm
C. 42 cm
D. 32 cm
Ans:- D
110. The population of a village increased by 16% in 2020 and decreased by 5% in 2021. If its population in January 2022 is 27,550, then find its population in December 2019.
A. 25,000
B. 26,400
C. 23,250
D. 21,560
Ans:- A
111. A shopkeeper marks an article at ₹x and offers a discount of 50% on it. He sells it for ₹374 after charging VAT of 36% on the discounted price. What is the value of x?
A. 400
B. 300
C. 800
D. 550
Ans:- D
112. If ₹20,000 is invested at a rate of 12% compound interest per annum compounded half-yearly. How long will it take to become ₹23,820.32?
A. 1 year 6 months
B. 1 year 9 months
C. 2 years
D. 2 years 6 months
Ans:- A
113. The number 2786140 is divisible by:
A. 96
B. 104
C. 98
D. 87
Ans:- C
114. A person borrowed an amount of ₹8,000 at the simple interest rate of 8.4% for n months. If the interest is ₹3,584 then find the value of n.
A. 54 months
B. 70 months
C. 64 months
D. 58 months
Ans:- C
115. If ‘P’ stands for ‘−’,‘Q’ stands for ‘×’,‘C’ stands for ‘ ÷’ and ‘D’ stands for ‘+‘, then what will come in place of the question mark (?) in the following equation? 15 D 9 C 3 Q 2 P 14 = ?
A. −3
B. 17
C. 7
D. 27
Ans:- C
116. If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’ , ‘C’ stands for ‘+’ and ‘D’ stands for ‘−' , then what will come in place of the question mark (?) in the following equation?
6 C 114 A 3 B 8 D 3 =?
A. 314
B. 317
C. 307
D. 319
Ans:- C
117. Select the greatest ratio among the following:
33 : 37
41 : 43
27 : 31
38 : 39
A. 27 : 31
B. 41 : 43
C. 38 : 39
D. 33 : 37
Ans:- C
118. What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
135 × 15 ÷ 17 + 7 − 4 =?
A. 149
B. 150
C. 148
D. 144
Ans:- B
119. In a certain code language, ‘COAL’ is coded as ‘1378’ and ‘COLD’ is coded as ‘1938’ . What is the code for ‘D’ in that language?
A. 9
B. 3
C. 7
D. 1
Ans:- A
Ans:- Two sets of numbers are given below. In each set of numbers, certain mathematical operation(s) on the first number result(s) in the second number.
Similarly, certain mathematical operation(s) on the second number result(s) in the third number and so on. Which of the given options follows the same set of operations as in the given sets?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding to/subtracting from/multiplying with 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
11 – 44 – 54 – 108
9 – 36 – 46 – 924098
A. 10 – 40 – 60 – 120
B. 15 – 60 – 70 – 210
C. 8 – 32 – 52 – 104
D. 13 – 52 – 62 – 124
Ans:- D
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