How many triangles can you find in this given picture?

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

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Replace the question mark with the correct number below.

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

I have branches, but no fruit, trunk or leaves. What am I?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

Trying to tease Birbal, Akbar gave him one gold coin and ask him to buy
* something for him to eat
* something for him to drink.
* something to feed the cows
* something to plant in the garden
and most important you need to buy only one thing.

What must Birbal buy to silence Akbar?

There are forty elephants and they have forty-fore heads. How can this be possible?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?