Scholarship Exam Preparation App
Class 8 - (Intelligence Test )
Series - To find the odd term
Find the missing term: 1, 3, 7, 16, 31, 63, 127
a :
7
b :
16
c :
31
d :
63
Explanation :
Logic: Previous number * 2 + 1. Wanted 7 * 2 + 1 = 15.