In following number series, two terms have been put within brackets. Choose the appropriate option - 2 , 5 , 9 , 19 , 37 , x

B. 75

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - adb _ ac _ da _ cddcb _ dbc _ cbda

B. CBBAA

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - c _ bbb _ _ abbbb _ abbb _

B. ABCCB

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. - 11 * 1 / 9, 12 * 1 / 2, 14 * 2 / 7, 16 * 2 / 3,

D. 20

In following questions, one term in number series is incorrect. - Find out the incorrect number 2, 5, 10, 17, 26, 37, 50, 64

D. 64