Free Letter, Symbol and Number Series MCQs with Answers

299 Letter, Symbol and Number Series MCQs from Analytical and Logical Reasoning, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

Series questions use numbers, letters, symbols or combinations arranged according to a hidden pattern. You may need to identify repeated operations, alternating rules, alphabetical positions, differences, reversals and mixed sequences to find a missing term or predict the next one.

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299 questions · page 12 of 15

Easy
  • A. DV
  • B. DW
  • C. EX
  • D. CY

Explanation: The first letter moves forward one place, while the second letter moves backward one place. Therefore, CX is followed by DW.

Correct answer: DW
Fairly easy
  • A. M
  • B. N
  • C. O
  • D. P

Explanation: Each letter advances three alphabet positions: B, E, H, K. Three positions after K is N.

Correct answer: N
Fairly easy
  • A. FS
  • B. GT
  • C. HU
  • D. GW

Explanation: The first letters move forward by two positions, and the second letters move backward by two positions. Thus EV is followed by GT.

Correct answer: GT
Moderate
  • A. X
  • B. Y
  • C. Z
  • D. A

Explanation: The letter positions are 2, 5, 10, and 17, increasing by 3, 5, and 7. The next increase is 9, giving position 26, or Z.

Correct answer: Z
Moderate
  • A. HI
  • B. IJ
  • C. JK
  • D. KL

Explanation: The pairs use consecutive letters, but their direction alternates forward and backward. The next forward pair after HG is IJ.

Correct answer: IJ
Hard
  • A. RS
  • B. ST
  • C. TU
  • D. UV

Explanation: The starting letters advance by 3, 4, 5, then 6 positions: A, D, H, M, S. The second letters follow the same pattern, giving ST.

Correct answer: ST
Hard
  • A. NL
  • B. OL
  • C. PM
  • D. OK

Explanation: The first letters move forward by 2, 3, 4, then 5 positions, reaching O.

Correct answer: OL
Very hard
  • A. KU
  • B. KV
  • C. LV
  • D. KW

Explanation: The first letters advance by 1, 2, 3, then 4 positions, giving K. The second letters advance by 2, 4, 6, then 8 positions, giving V.

Correct answer: KV
Easy
  • A. T5
  • B. U5
  • C. V6
  • D. W6

Explanation: The letters advance by two positions each time, while the numbers increase by one. The next group is U5.

Correct answer: U5
Fairly easy
  • A. QU
  • B. QV
  • C. RW
  • D. SX

Explanation: Both letters in each pair move forward by four positions. Moving MR forward by four gives QV.

Correct answer: QV
Fairly easy
  • A. N15
  • B. O15
  • C. N14
  • D. M15

Explanation: The letter moves backward by three positions, while the number increases by three. Therefore, Q12 is followed by N15.

Correct answer: N15
Moderate
  • A. Q24
  • B. R32
  • C. S30
  • D. T34

Explanation: The letter advances by three positions each time. The number doubles at every step, so O16 is followed by R32.

Correct answer: R32
Moderate
  • A. M14
  • B. N15
  • C. M15
  • D. L15

Explanation: The letters move backward by three positions. The numbers increase by 2, then 3, then 4, then 5, giving M15.

Correct answer: M15
Hard
  • A. ST
  • B. TU
  • C. UV
  • D. VW

Explanation: In both positions, the forward gaps increase from 3 to 4, then 5, then 6. After NO, adding six positions to each letter gives TU.

Correct answer: TU
Hard
  • A. WR
  • B. YR
  • C. YS
  • D. ZR

Explanation: The first letters alternate moving forward by 2 and 4. The second letters alternate moving backward by 1 and 3, so the next pair is YR.

Correct answer: YR
Very hard
  • A. N24
  • B. O25
  • C. P25
  • D. O26

Explanation: The letter positions increase by 2, 3, 4, and then 5, giving position 15, or O.

Correct answer: O25
Very hard
  • A. JR
  • B. KR
  • C. LR
  • D. LS

Explanation: Double the alphabet position of each letter, wrapping back to A after Z. Thus F becomes L and V becomes R, so the next pair is LR.

Correct answer: LR
Easy
  • A. M10
  • B. M9
  • C. N10
  • D. M12

Explanation: The letters move forward by 3 positions each time: A, D, G, J, M. The numbers increase by 2, giving 10.

Correct answer: M10
Easy
  • A. J
  • B. K
  • C. I
  • D. L

Explanation: Each letter moves 4 positions backward in the alphabet. Therefore, N followed by four positions backward gives J.

Correct answer: J
Fairly easy
  • A. VR
  • B. VX
  • C. VT
  • D. UR

Explanation: The first letters advance by 4: F, J, N, R, V. The second letters move backward by 2: Z, X, V, T, R.

Correct answer: VR