Question 40

9, 11, 16, 33, 98, ?

Solution

Number of the form $$(2^n + 1)$$ are added where n is even number

9 $$+ (2^0 + 1)$$ = 11

11 $$+ (2^2 + 1)$$ = 16

16 $$+ (2^4 + 1)$$ = 33

33 $$+ (2^6 + 1)$$ = 98

98 $$+ (2^8 + 1)$$ = 355

Create a FREE account and get: