In following number series, two terms have been put within brackets. Choose the appropriate option - 18 21 25 18 29 33 18What numbers should come next ?

D. 37 41

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, 32, 128,

D. 256

In following alphabet series , one term missing as shown by question mark (?). Choose missing term from options. - U, O, I, ?, A

A. E

In following questions, one term in number series is incorrect. - Find out the incorrect number 1, 5, 9, 16, 25, 37, 49

B. 15

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options. - QPO, SRQ, UTS, WVU, ?

C. YXW