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

B. BBBAB

In following questions, one term in number series is incorrect. - Find out the incorrect number 89, 78, 86, 80, 85, 82, 83

C. 86

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. - 0.5, 1.5, 4.5, 13.5,

D. 40.5

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

B. 75

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

B. 9, 18