In following questions, one term in number series is incorrect. - Find out the incorrect number 3, 7, 15, 39, 63, 127, 255, 511

B. 39

In following number series, two terms have been put within brackets. Choose the appropriate option - Look at this series: 8, 22, 8, 28, 8, . . .What number should come next ?

D. 34

In following number series, two terms have been put within brackets. Choose the appropriate option - Find the wrong number in the series :3, 8, 15, 24, 34, 48, 63

C. 34

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - cab _ a _ c _ bc _ bc _ b _ ab

D. CBAAAC

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. - 90, 180, 12, 50, 100, 200, , 3, 50, 4, 25, 2, 6, 30, 3

A. 150