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

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you count the number of matches in the picture below ?

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

I can write cow in 13 letters.

Can You?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

What is the next number in this matchsticks series riddle?