Question

Complete the given series by finding the missing term?
2, 5, 9, 19, 37, ?

Answer 1

The pattern is ×2+1,×2−1,×2+1,×2−1,.

∴Missing number=37×2+1=75.

Answer 2

2*2=4+1=5.

5*2=10-1=9.

9*2=18+1=19.

19*2=38-1=37.

37*2=74+1=75.

so answer is 75