Find the hidden tiger in the given optical illusion ?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

It is always ahead of me yet I can never see it. What is it?

Why are televisions attracted to people?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

John needs to purchase 100 chocolates from three different shops and he has exactly 100 rupees to do that which he must spend entirely. He must buy at least 1 Chocolate from each shop.

The first shop is selling each chocolate at 5 paise, the second is selling at 1 rupee and the third is selling at 5 rupees.

How many chocolates should he buy from each shop?