Question

In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces.

4, 5, 9, 18, 34, (..)

• A. 43
• B. 49
• C. 50
• D. 59

Answer 1

The correct option is D 59

The pattern is + 1, + 4, + 9, + 16,... i.e., + $1^2,+2^2,+3^2,+4^2,...$
$\therefore$ Missing number = $34+5^2=34+25=59.$