If you say my name, I will no longer exist. What am I?

If 1+9+8=1, what is 2+8+9?

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?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

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

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.

If eleven plus two equals one, what does nine plus five equal?

Can you solve the below tricky visual equation?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?