Verbal Reasoning - Mental Ability Questions

Amit and Ritu are a couple. Mrinal and Shonal are brothers. Mrinal is the brother of Ritu. How is shonal related to Amit?

If "A" denotes "added to", "C" denotes "divided by", "D" denotes "multiplied by" and "B" denotes "subtracted from", then
81 C 9 D 11 B 4 A 6 = ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

OP, RS, VW, ? , GH

Select the related word/letters/numbers from the given alternatives. CURE : DISEASE :: HEAL : ?

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.

Queen, Aqua, Pique, Torque, Antique, ?

Pointing towards a lady in a photograph, Ram says, "Her mother is the mother­in­law of my father's brother". How is the lady related to Ram?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

45 x 5 - 24 + 3 ÷ 80 = ?

Find the odd word/letters/number from the given alternatives.