Verbal Reasoning - Mental Ability Questions

In the given figure, how many students study only 2 subjects?

A boy says to a girl, "Your father's wife is the only daughter of my maternal grandmother." How is the boy related to the girl?

Nishi's grandfather is the brother of Om's father. Hemant is the son of Om. How is Hemant related to Nishi?

If 37*14 = 17,
69*33 = 34,
91*125 = 72
then what should 28*56 = ?

Find the next term in the given series.B2, K12, T72, .......

In a certain code language, "OCEAN" is written as "PEHES". How is "RIVER" written in that code language?

Identify the diagram that best represents the relationship among the given classes.
Food Supplement, Bournvita, Horlicks

'A' is the sister of 'B'. 'B' is married to 'D'. 'B' and 'D' have a daughter 'G'. How is 'G' related to 'A'?