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

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?

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

What is the next number?

77, 49, 36, 18 ?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

I don't get anymore wetter, no matter how much rain falls on me.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

When it is alive we sing, when it is dead we clap our hands. What is it?