Verbal Reasoning - Mental Ability Questions

If S = 19, SUN = 54 and CAKE = 20 , then MISTAKE = ?

Introducing a man, Amar says, "His wife is the only daughter of my maternal grandfather". How is the man related to Amar?

There are five students - P, Q, R, S and T having different heights in a class. P's height is more than only one student. Q's height is more than S and P
but not more than R. S's height is more than P. R is not the smallest. Who is having the maximum height in the class?

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

XY, UV, RS, OP, ?

In the English alphabet, which letter is 13th from right end?

In the following question, select the missing number from the given series.
2, 5, 17, 71, ?

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

Among four books, Book1 is twice as heavy as Book 2. Book 3's weight is half of Book 2's weight. Book 4 is 60 grams more as compared to Book 2 but 60 grams less as compared Book 1. Which book is heaviest?