In following questions, one term in number series is incorrect. - Find out the incorrect number 1, 5, 5, 9, 7, 11, 11, 15, 12, 17

B. 12

In following questions, one term in number series is incorrect. - Find out the incorrect number 3, 4, 10, 32, 136, 685, 4116

B. 32

In following number series, two terms have been put within brackets. Choose the appropriate option - 85,78,65,40,56,x

B. 30

In following number series, two terms have been put within brackets. Choose the appropriate option - 2 , 4 , 12 , 48 , 240 , x

C. 1440

In following questions, one term in number series is incorrect. - Find out the incorrect number 11, 5, 20, 12, 40, 26, 74, 54

C. 40