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

A. AAAB

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. - 462, 420, 380, , 306

C. 342

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, 23, 60, 121,

A. 212

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