In following questions, one term in number series is incorrect. - Find out the incorrect number 1, 5, 5, 9, 7, 11, 11, 15, 12, 17

B. 12

In following number series, two terms have been put within brackets. Choose the appropriate option - Look at this series: 31, 29, 24, 22, 17, . . . What number should come next?

A. 15

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - ac _ cab _ baca _ aba _ acac

A. AACB

Which term comes next in the series : YEB, WFD, UHG, SKI ?

A. QOL

In following number series, two terms have been put within brackets. Choose the appropriate option - 85,78,65,40,56,x

B. 30