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Ladakh Police Sub-Inspector · Reasoning · 44 practice questions with answers and explanations: 22 Easy, 21 Medium, 1 Hard.

Sample questions

Sample Easy question 1

Find the next letter: B, D, F, H, ?

  1. L
  2. J
  3. I
  4. K
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Answer: B. Each letter skips one position in the alphabet: H → J.

Sample Easy question 2

Find the odd one out: 21, 28, 35, 40, 49

  1. 35
  2. 40
  3. 49
  4. 28
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Answer: B. All the other numbers are multiples of 7 (21, 28, 35, 49); 40 is not.

Sample Easy question 3

Find the next number: 100, 50, 25, 12.5, ?

  1. 7.5
  2. 5
  3. 6
  4. 6.25
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Answer: D. Each term is half the previous one: 12.5 ÷ 2 = 6.25.

Sample Medium question 4

Find the next number: 4, 9, 16, 25, 36, ?

  1. 52
  2. 45
  3. 42
  4. 49
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Answer: D. These are squares (2²,3²,4²,5²,6²), so next is 7² = 49.

Sample Medium question 5

Find the next letter: Z, W, T, Q, ?

  1. M
  2. N
  3. P
  4. O
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Answer: B. Each letter moves back 3 positions: Z(26), W(23), T(20), Q(17), N(14).

Sample Medium question 6

Find the next number: 2, 5, 10, 17, 26, ?

  1. 37
  2. 36
  3. 35
  4. 39
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Answer: A. The differences are 3, 5, 7, 9 (increasing by 2); next difference is 11, so 26 + 11 = 37.

Sample Hard question 7

Find the next number: 2, 5, 14, 41, ?

  1. 124
  2. 122
  3. 128
  4. 120
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Answer: B. Each term follows (previous × 3) - 1: 41 × 3 - 1 = 122.

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