How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

What has lots of eyes, but can’t see?

Decode this picture on T-Shirt and tell what it says ?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

The centre of the third figure is empty. What digit should fit inside?