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

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

What begins with T, ends with T, and has T in it?

Can you solve below mathematical equation?

2^1234 - 2^1233

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

What brings you down but never up?

What kind of tree can you carry in your hand?

The more of this there is, the less you see. What is it?