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easyMCQSSC CGL2026General Intelligence & Reasoning
1 attempts0% success rate1 mark

Which number will replace the question mark (?) in the following series?31, 37, 41, 43, ?, 53, 59, 61, 67

  1. A
    49
  2. B
    45
  3. C
    51
  4. D
    47

Solution & Step-by-step Explanation

Let's observe the numbers given in the sequence:31, 37, 41, 43, ?, 53, 59, 61, 67All the given numbers are consecutive prime numbers starting from 31:31 is prime37 is prime41 is prime43 is primeThe next prime number after 43 is 47.53 is prime59 is prime61 is prime67 is primeTherefore, the missing number is 47.

Practice this question

Try it yourself before checking the explanation above.

Which number will replace the question mark (?) in the following series?31, 37, 41, 43, ?, 53, 59, 61, 67
A
49
B
45
C
51
D
47

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