John is the son of Jacob.
So,
Jacob is the_____of John's father?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Out of four images which one is the odd one out?

By using 'because' continuously three times, can you make an English statement ?

What does the below rebus riddle means?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

Who are the happiest people in IPL match?