Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
A, C, F, H, K, ?

In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.

7 x 5 x 6 = 576,
4 x 2 x 5 = 245,
8 x 2 x 5 = ?

If "S" denotes "multiplied by", "P" denotes "subtracted from", "R" denotes "added to" and "Q" denotes "divided by", then 14641 Q 121 P 100 S 2 R 100 = ?

If 'x' means '-', '-' means 'x', '+' means '/' and '/' means '+', then what is the value of 15 - 2 / 900 + 90 x 100?

In the following question, select the related letters from the given alternatives.
AGN : IOV : : BLM : ?

Select the related letters from the given alternatives.
WUV : TRS :: QOP : ?

If 26#14=80; 5#3=16; 6#5=22; then what is the value of 14#5=?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.AK12, GV29, LF18, PO?