Major Competitive Exams

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Q. In a sequence of numbers where each number is a multiple of 9, which of the following numbers cannot be in the sequence?
  • A. 27
  • B. 45
  • C. 81
  • D. 50
Q. In a sequence of numbers where each term increases by a constant value, if the first term is 5 and the common difference is 3, what is the 10th term?
  • A. 32
  • B. 35
  • C. 30
  • D. 28
Q. In a sequence of numbers where each term is the sum of the two preceding ones, which of the following terms is the 6th term if the first two terms are 1 and 1?
  • A. 5
  • B. 8
  • C. 13
  • D. 21
Q. In a sequence of numbers, if the first number is 5 and each subsequent number is double the previous one, what is the 4th number in the sequence?
  • A. 20
  • B. 40
  • C. 10
  • D. 80
Q. In a sequence of numbers, if the first number is 5 and each subsequent number is double the previous one, what is the fifth number in the sequence?
  • A. 20
  • B. 40
  • C. 80
  • D. 160
Q. In a sequence of numbers, if the pattern is +2, +4, +6, what is the next number after 10?
  • A. 12
  • B. 14
  • C. 16
  • D. 18
Q. In a sequence where each term is double the previous term, starting from 1, what is the 6th term? (2023)
  • A. 32
  • B. 64
  • C. 128
  • D. 256
Q. In a sequence where each term is double the previous term, starting from 1, what is the 8th term? (2023)
  • A. 128
  • B. 64
  • C. 256
  • D. 512
Q. In a sequence where each term is the square of its position, what is the sum of the first 4 terms? (2023)
  • A. 30
  • B. 20
  • C. 10
  • D. 40
Q. In a sequence where each term is the sum of the previous two terms, if the first two terms are 2 and 3, what is the fifth term? (2023)
  • A. 8
  • B. 13
  • C. 21
  • D. 34
Q. In a sequence where each term is the sum of the previous two terms, if the first two terms are 2 and 3, what is the 5th term? (2023)
  • A. 8
  • B. 13
  • C. 21
  • D. 34
Q. In a sequence where M is to the right of N and O is to the left of N, which of the following must be true?
  • A. M is to the left of O
  • B. N is in the middle
  • C. O is to the right of M
  • D. N is to the right of O
Q. In a sequence where the nth term is given by n^2 + 2n, what is the 6th term?
  • A. 48
  • B. 50
  • C. 52
  • D. 54
Q. In a series circuit with a 12 V battery and two resistors of 4 Ω and 8 Ω, what is the current flowing through the circuit?
  • A. 0.5 A
  • B. 1 A
  • C. 1.5 A
  • D. 2 A
Q. In a series circuit with a 12V battery and three resistors of 2Ω, 3Ω, and 5Ω, what is the current flowing through the circuit?
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. In a series circuit with a 12V battery and two resistors of 3Ω and 6Ω, what is the current flowing through the circuit?
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. In a series circuit with a 12V battery and two resistors of 4Ω and 8Ω, what is the current flowing through the circuit?
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. In a series circuit with a 12V battery and two resistors of 4Ω and 8Ω, what is the voltage across the 8Ω resistor? (2022)
  • A. 4V
  • B. 6V
  • C. 8V
  • D. 12V
Q. In a series circuit with a 9V battery and three resistors of 1Ω, 2Ω, and 3Ω, what is the total resistance? (2019)
  • A.
  • B.
  • C.
  • D.
Q. In a series circuit, if one resistor fails (opens), what happens to the current in the circuit?
  • A. It increases
  • B. It decreases
  • C. It becomes zero
  • D. It remains the same
Q. In a series circuit, if one resistor fails open, what happens to the current in the circuit?
  • A. It increases
  • B. It decreases
  • C. It becomes zero
  • D. It remains the same
Q. In a series circuit, if one resistor fails, what happens to the current in the circuit? (2019)
  • A. It increases
  • B. It decreases
  • C. It stops
  • D. It remains the same
Q. In a series circuit, if one resistor has a resistance of 5 Ω and another has 10 Ω, what is the total resistance?
  • A. 5 Ω
  • B. 10 Ω
  • C. 15 Ω
  • D. 20 Ω
Q. In a series circuit, if one resistor has a resistivity of 5 Ω·m and another has 10 Ω·m, what is the total resistance?
  • A. 5 Ω
  • B. 10 Ω
  • C. 15 Ω
  • D. 20 Ω
Q. In a series circuit, if one resistor is removed, what happens to the current? (2023)
  • A. It increases
  • B. It decreases
  • C. It remains the same
  • D. It becomes zero
Q. In a series circuit, if one resistor is removed, what happens to the total resistance?
  • A. It increases.
  • B. It decreases.
  • C. It remains the same.
  • D. It becomes zero.
Q. In a series circuit, if the resistance is doubled, what happens to the current flowing through the circuit? (2021)
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It becomes zero
Q. In a series RLC circuit, at resonance, the impedance is equal to which of the following? (2020)
  • A. Zero
  • B. R
  • C. XL
  • D. XC
Q. In a series RLC circuit, at resonance, what is the relationship between inductive reactance and capacitive reactance?
  • A. X_L > X_C
  • B. X_L < X_C
  • C. X_L = X_C
  • D. X_L + X_C = 0
Q. In a series RLC circuit, if R = 10 ohms, L = 0.1H, and C = 100μF, what is the resonant frequency? (2021)
  • A. 159.15 Hz
  • B. 100 Hz
  • C. 50 Hz
  • D. 200 Hz
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