Logic and Reasoning Questions and Answers

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Q71
Look at this series: J14, L16, __, P20, R22, . . . What number should fill the blank?
  • A S24
  • B N18
  • C M18
  • D T24
Answer: Option B
Explanation: In this series, the letters progress by 2, and the numbers increase by 2.
Q72
Look at this series: F2, __, D8, C16, B32, . . . What number should fill the blank?
  • A A16
  • B G4
  • C E4
  • D E3
Answer: Option C
Explanation: The letters decrease by 1; the numbers are multiplied by 2.
Q73
Look at this series: V, VIII, XI, XIV, __, XX, . . . What number should fill the blank?
  • A IX
  • B XXIII
  • C XV
  • D XVII
Answer: Option D
Explanation: This is a simple addition series; each numberis 3 more than the previous number.
Q74
Look at this series: XXIV, XX, __, XII, VIII, . . . What number should fill the blank?
  • A XXII
  • B XIII
  • C XVI
  • D IV
Answer: Option C
Explanation: This is a simple subtraction series; each number is 4 less than the previous number.
Q75
Look at this series: VI, 10, V, 11, __, 12, III, . . . What number should fill the blank?
  • A II
  • B IV
  • C IX
  • D 14
Answer: Option B
Explanation: This is an alternating addition and subtraction series. Roman numbers alternate with Arabic numbers. In the Roman numeral pattern, each number decreases by 1. In the Arabic numeral pattern, each number increases by 1.
Q76
QPO NML KJI _____ EDC
  • A HGF
  • B CAB
  • C JKL
  • D GHI
Answer: Option A
Explanation: This series consists of letters in a reverse alphabetical order.
Q77
JAK KBL LCM MDN _____
  • A OEP
  • B NEO
  • C MEN
  • D PFQ
Answer: Option B
Explanation: This is an alternating series in alphabetical order. The middle letters follow the order ABCDE. The first and third letters are alphabetical beginning with J. The third letter is repeated as a first letter in each subsequent three-letter segment.
Q78
ELFA GLHA ILJA _____ MLNA
  • A OLPA
  • B KLMA
  • C LLMA
  • D KLLA
Answer: Option D
Explanation: The second and forth letters in the series, L and A, are static. The first and third letters consist of an alphabetical order beginning with the letter E.
Q79
CMM EOO GQQ _____ KUU
  • A GRR
  • B GSS
  • C ISS
  • D ITT
Answer: Option C
Explanation: The first letters are in alphabetical order with a letter skipped in between each segment: C, E, G, I, K. The second and thirdletters are repeated; they are also in order with a skipped letter: M, O, Q, S, U.
Q80
QAR RAS SAT TAU _____
  • A UAV
  • B UAT
  • C TAS
  • D TAT
Answer: Option A
Explanation: In this series, the third letter is repeated as the first letter of the next segment. The middle letter, A, remains static. The third letters are in alphabetical order, beginning with R.

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