Series

JKSSB Junior Assistant · Reasoning · 125 practice questions with answers and explanations: 54 Easy, 42 Medium, 29 Hard.

Sample questions

Sample Easy question 1

Find the next number: 6, 11, 16, 21, ?

  1. 24
  2. 25
  3. 26
  4. 27
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Answer: C. The series increases by 5 each time.

Sample Medium question 2

Find the next number: 6, 13, 26, 51, ?

  1. 98
  2. 99
  3. 100
  4. 101
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Answer: D. Each term is doubled with an increasing addition: +1, +2, +3, +4.

Sample Hard question 3

Find the next letter: Z, X, V, T, ?

  1. Q
  2. R
  3. S
  4. U
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Answer: B. The series moves backward, skipping one letter each time (Z,X,V,T,R).

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