Question

Find the wrong term from the following 7 , 15 , 20 , 27 , 31 , 39​

Answer 1

Answer:

21Q:

Find out the wrong term in the series 3, 7, 15, 39, 63, 127, 255, 511

A) 39

B) 255

C) 127

D) 63

Answer : A) 39

Explanation

The correct pattern is *2+1

So, 39 is wrong and must be replaced by (15 * 2 + 1) = 31

Subject: Number Series - Verbal Reasoning - Mental Ability

hope it help...