Verbal Reasoning - Mental Ability Questions

The first letter moves two steps forward.
The second letter moves 2 steps forward.
The third letter moves one step backward.

In all other pairs , second requires the first to function.

Here 14×1521= 10 and 32×1428 = 16

In the same way  24×2624= 26.

The given number series is 2, 16, 3, 81, 4, ?

2

2^4 = 16

3

3^4 = 81

4

4^4 = 256

Hence, the next number is 256.

D is father of A and grandfather of F. So, A is father of F. 

Thus, D and A are the two fathers. C is the sister of F So, C is the daughter of A. 

Since there is only one mother, it is evident that E is the wife of A and hence the mother of C and F. 

So, B is brother of A There are three brothers. So, F is the brother of C. 

A, the father. is male B, the brother, is male, C, the sister, is female D, the grand-father, is male, E, the mother, is female F, the brother, is male. 

So, there are four males. 

9 tens 10 ones equals

=> 9 x 10 + 10 x 1

=> 90 + 10

=> 100.