PMC National MDCAT Logical Reasoning: Letter & Symbol Series MCQs

Practice Letter & Symbol Series MCQs for PMC National MDCAT Logical Reasoning — topic-wise sets with solved answers.

PMC National MDCAT Logical Reasoning: Letter & Symbol Series MCQs — sample questions

  1. Question 1

    Q1. Identify the next letter in the series: A, C, E, G, I, ?

    • A) K
    • B) J
    • C) L
    • D) M

    Answer: K

    Explanation: The series is incrementing by 2 letters in the alphabet; 'K' is the next letter. 'J' is incorrect as it doesn't follow the increment pattern.

  2. Question 2

    Q2. Complete the symbol series: !, @, #, $, ?, %

    • A) ^
    • B) &
    • C) *
    • D) 5

    Answer: &

    Explanation: The series alternates between symbols on a standard keyboard; '&' is the next symbol. '^' is incorrect as it breaks the keyboard pattern.

  3. Question 3

    Q3. Determine the next number in the sequence: 2, 4, 8, 16, ?

    • A) 32
    • B) 30
    • C) 48
    • D) 64

    Answer: 32

    Explanation: The sequence is obtained by doubling the previous number; '32' is the next number. '30' is incorrect as it doesn't follow the doubling pattern.

  4. Question 4

    Q4. Identify the pattern and complete the series: A2, B4, C6, D8, ?

    • A) E10
    • B) F10
    • C) E12
    • D) D10

    Answer: E10

    Explanation: The series increments alphabetically and numerically by 2; 'E10' is the next. 'F10' is incorrect due to wrong alphabet.

  5. Question 5

    Q5. What comes next in the series: 1, 2, 4, 7, 11, ?

    • A) 16
    • B) 15
    • C) 17
    • D) 18

    Answer: 16

    Explanation: The series is formed by adding 1, 2, 3, 4, etc.; '16' is the next number. '15' is incorrect due to wrong addition.

  6. Question 6

    Q6. Complete the series: Z, X, V, T, R, ?

    • A) P
    • B) O
    • C) Q
    • D) N

    Answer: P

    Explanation: The series decrements by 2 letters in the alphabet; 'P' is the next. 'O' is incorrect due to wrong decrement.

  7. Question 7

    Q7. Identify the next symbol in the series: ↑, →, ↓, ←, ?

    • A) ↑
    • B) →
    • C) ↓
    • D) ↔

    Answer: ↑

    Explanation: The series represents direction arrows in a cycle; '↑' is the next direction. '→' is incorrect due to breaking the cycle.

  8. Question 8

    Q8. Determine the pattern: 3, 6, 9, 12, ?

    • A) 15
    • B) 14
    • C) 18
    • D) 16

    Answer: 15

    Explanation: The series increments by 3; '15' is the next number. '14' is incorrect due to wrong increment.

  9. Question 9

    Q9. Complete the alphanumeric series: 1A, 2B, 3C, 4D, ?

    • A) 5E
    • B) 6E
    • C) 5F
    • D) 4E

    Answer: 5E

    Explanation: The series increments numerically and alphabetically; '5E' is the next. '6E' is incorrect due to wrong number.

  10. Question 10

    Q10. What is the next element in the series: α, β, γ, δ, ?

    • A) ε
    • B) ζ
    • C) η
    • D) θ

    Answer: ε

    Explanation: The series is based on Greek alphabet order; 'ε' is the next letter. 'ζ' is incorrect due to skipping a letter.

  11. Question 11

    Q11. Identify the pattern in the series: 2, 6, 12, 20, ?

    • A) 30
    • B) 32
    • C) 28
    • D) 25

    Answer: 30

    Explanation: The series is formed by adding 4, 6, 8, etc.; '30' is the next number. '28' is incorrect due to wrong addition.

  12. Question 12

    Q12. Complete the series: *, **, ***, ****, ?

    • A) *****
    • B) ****
    • C) ******
    • D) *******

    Answer: *****

    Explanation: The series increments the number of asterisks; '*****' is the next. '****' is incorrect due to decrement.

  13. Question 13

    Q13. Determine the next letter in the series: F, H, J, L, ?

    • A) N
    • B) M
    • C) O
    • D) P

    Answer: N

    Explanation: The series increments by 2 letters in the alphabet; 'N' is the next letter. 'M' is incorrect due to wrong increment.

  14. Question 14

    Q14. Identify the pattern: 4, 9, 16, 25, ?

    • A) 36
    • B) 35
    • C) 38
    • D) 40

    Answer: 36

    Explanation: The series represents square numbers; '36' is the next square. '35' is incorrect due to not being a square.

  15. Question 15

    Q15. Determine the next element in the series: 1, 3, 6, 10, ?

    • A) 15
    • B) 16
    • C) 17
    • D) 18

    Answer: 15

    Explanation: The series is formed by adding 2, 3, 4, etc.; '15' is the next number. '16' is incorrect due to wrong addition.

  16. Question 16

    Q16. Identify the pattern in the series: 1, 4, 9, 16, 25, ?

    • A) 36
    • B) 37
    • C) 38
    • D) 39

    Answer: 36

    Explanation: The series represents square numbers; '36' is the next square. '37' is incorrect due to not being a square.

  17. Question 17

    Q17. Complete the series: a, c, e, g, ?

    • A) i
    • B) h
    • C) j
    • D) k

    Answer: i

    Explanation: The series increments by 2 letters in the alphabet; 'i' is the next letter. 'h' is incorrect due to wrong increment.

  18. Question 18

    Q18. Determine the next number in the sequence: 5, 10, 15, 20, ?

    • A) 25
    • B) 24
    • C) 26
    • D) 30

    Answer: 25

    Explanation: The series increments by 5; '25' is the next number. '24' is incorrect due to wrong increment.

  19. Question 19

    Q19. A series of letters is given as: A, C, E, G, I. What comes next?

    • A) K
    • B) J
    • C) L
    • D) M

    Answer: K

    Explanation: The pattern is adding 2 letters in the alphabet sequence, so the next letter is K. J is incorrect because it's one less than expected.

  20. Question 20

    Q20. In a symbol series: !, @, #, $, %. What symbol comes next if the pattern continues?

    • A) ^
    • B) &
    • C) *
    • D) !

    Answer: ^

    Explanation: The pattern follows a sequence of special characters on a standard keyboard, so the next symbol is ^. & is incorrect as it's not the next in sequence.

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