Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

ABC, ZYX, DEF, WVU, ?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

P_QR_QQ_PQ_R

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
DP, EY, FJ, ?

Six batteries are kept one above the other. Jumbo is just above Pick. The Volt is between Tank and Ping. Lift is between Jumbo and Tank. Which battery is at second position from the bottom?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

41, 43, 47, 53, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

ABC, PQR, DEF, STU, ?

Find the missing number from the given alternatives.

A is taller than B but smaller than E. C is the smallest of all. D is taller than A but smaller than E. Who is the tallest of the five?