In following number series, two terms have been put within brackets. Choose the appropriate option - 20 20 17 17 14 14 11What numbers should come next ?

E. 11 8

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - _ abb _ _ bb _ a _ bbab _ ba

B. BBABBB

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - abc _ d _ bc _d _ b _ cda

C. DACAB

In following number series, two terms have been put within brackets. Choose the appropriate option - 84 78 72 66 60 54 48What number should come next ?

B. 42 36

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - _ aaba _ bba _ bba _ abaa _ b

A. AABAB