Verbal Reasoning - Mental Ability Questions

Introducing a woman, a boy says, "She is the wife of my grandfather's son". How is the woman related to the boy?

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, ?

Of the six members of a panel sitting in a row, A is to the right of C, but left of B. E is sitting left of C and right of D, who is sitting to the right of F. Find the members sitting at the two ends of the row.

Select the related word/letters/number from the given alternatives.
DI : M : : CR : ?

Arrange the given words in the sequence in which they occur in the dictionary.
i. Nuzzled
ii. Nozzle
iii. Nonjury
iv. Nocking

In a certain code language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

23 x 20 ÷ 35 - 2 + 10 = ?

If 15#2 = 26, 11#3 = 16 and 10#9 = 2, then find the value of 11#4 = ?

If 70$7 = -10, 50$5 = -10 and 40$8 = -5, then find the value of 10$2 = ?