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  9. Q8

SSC GD Constable 2021 · Question 8 of 377

Select the number from among the given options that can replace the question mark (?) in the following series. 13, 15, 12, 17, 10, 21, 8, ?

series

  1. A24
  2. B22
  3. C23
  4. D25Correct

Answer: D. 25

Explanation

The logic followed here is :Addition and subtraction of the difference by using prime number. Hence, the correct answer is "25".

Source: SSC GD Constable 2021 Prev. Year Paper (2021-11-30 Shift 1) English — Prepp (with solutions) · reliable-secondary

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