Find the next number of this series
10, 16, 25, 37, ?

Pointing towards a woman, Amit said, "She is the sister of my wife's husband." How is the woman related to Amit?

If the digits of the number 5 4 3 2 1 6 9 8 7 are arranged in an ascending order then how many digits remain in the same position?

If SPARK is coded as TQBSL, what will be the code for FLAME? 

There is a group of five persons, namely of  A, B, C, D & E
i) ‘A’ is shorter than "B". But taller than E
ii) 'C' is the Tallest
iii ) 'D' is shorter than B, but taller than 'A'.
Reply the following questions on the basis of above information.
Who is the shortest among these? 

BDF, ? , PRT , WYA 

Four clusters have been given out of which three are alike in some manner and one is different. Select the one that is different.

Option

Which one set of letter when sequentially placed at the gaps in the given letter series shall complete it?
ab __ deabcdfb __ d __ gbcfg __ cf __ h __