Look at this series: 1.5, 2.3, 3.1, 3.9, . . .
What number should come next?

C. 4.7

In following number series, two terms have been put within brackets. Choose the appropriate option - Find out the missing number in the following sequence :1, 3, 3, 6, 7, 9, ?, 12, 21.

D. 13

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options. - MHZ, NIW, OKT, PNQ, ?

B. QRN

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options. - FLP, INS, LPV, ?

A. ORY

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. - 6, 13, 28,

D. 59