Find the wrong number in the series given below :

3, 8, 13, 21, 31, 43

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Bihar Primary Teacher Official Paper (Held On: 24 Aug, 2023 Shift 2)
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  1. 21
  2. 31
  3. 8
  4. More than one of the above
  5. None of the above

Answer (Detailed Solution Below)

Option 3 : 8
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BPSC TRE Primary Teacher CT 1: भारतीय राष्ट्रीय आंदोलन (1857 का विद्रोह)
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Detailed Solution

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Logic: The given numbers are increasing by even numbers, starting from 4.

F2 Teaching Mruna 13.09.2023 D2

So, the required logic is not followed by 8.

Now, the correct series will be as follows,

F2 Teaching Mruna 13.09.2023 D3

Thus, 7 will come at place of 8.

Hence, the correct answer is "8".

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