Find out the wrong term 6 15 35 77 165 221...

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Find out the wrong term: 6, 15, 35, 77, 165, 221

A. 35

B. 77

C. 165

D. 221

Answer: Option C

Solution(By Examveda Team)

The terms of the series are product of two consecutive prime numbers i.e., (2 × 3), (3 × 5), (5 × 7), (7 × 11),...........
So, 165 is wrong and must be replaced by (11 × 13) i.e., 143.

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Find out the wrong term 6 15 35 77 165 221...

Find out the wrong term: 6, 15, 35, 77, 165, 221

Solution(By Examveda Team)

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