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

I have eight fingers and two thumbs but I do not live. What Am I?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

I can write cow in 13 letters.

Can You?

What does this simple rebus mean?

Can you solve the below tricky visual equation?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?