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

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

Replace the question mark with the correct number below.

There is a place where if I stand up straight, I will still be considered sideways.

At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

What has many teeth, but cannot bite?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?