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JKSSB Class-IV & MTS · Reasoning · 44 practice questions with answers and explanations: 18 Easy, 14 Medium, 12 Hard.

Sample questions

Sample Easy question 1

Find the next number: 100, 90, 80, 70, ?

  1. 50
  2. 55
  3. 60
  4. 65
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Answer: C. The series decreases by 10 each time, so next is 60.

Sample Medium question 2

Find the next number: 2, 3, 5, 7, 11, 13, ?

  1. 15
  2. 16
  3. 17
  4. 19
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Answer: C. This is the sequence of prime numbers; the next prime after 13 is 17.

Sample Hard question 3

Find the missing number: 6, 11, 21, 41, ?, 161

  1. 76
  2. 79
  3. 81
  4. 84
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Answer: C. Each term follows (previous × 2) - 1: 41 × 2 - 1 = 81 (check: 81 × 2 - 1 = 161).

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