Light : Darkness:: Knowledge?

Identify the diagram that best represents the relationship among the given classes.
Brother, Husband, Men

Direction: In the following question, select the related letters from the given alternatives.
Energy: Joule :: Volume : ?

Which interchange of signs will make the following equation correct?
35 + 7 * 5 ÷ 5 - 6 = 24

In a row of students. Mohan is the 13^th from the left end. Suman is 12^th from Right end and 18^th from left end. How many students of Mohan’s right?

Direction: In the following question, select the related letters from the given alternatives. 

LMN : QPO :: OPQ:?

Direction: In the following question, select the related letters from the given alternatives.
Doctor : Hospital :: Chef : ? 

If UNIVERSITY is 1273948756, how can TRUSTY be written in that code?