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

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

What word is pronounced the same if you take away four of its five letters?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

Why are all black people so quick ?

Prove that twice of ten is the same as twice of eleven.

Can you find out who is the kidnapper in below Picture and why, Explain ?

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

Can you start the fire using two pieces of wood?

Which is the rope you never skip with?