In following questions, one term in number series is incorrect. - Find out the incorrect number 5, 10, 40, 80, 320, 550, 2560

C. 550

In following number series, two terms have been put within brackets. Choose the appropriate option - 4,8,16,13,7,14, ? , ?

B. 9, 18

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. - 2, 5, 9, 19, 37,___

B. 75

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. - 2 / √5, 3 / 5, 4 / 5√5, 5 / 25,(.....)

B. 6 / 25?5

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. - 97, 86, 73, 58, 45,

A. 34