The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

I add 5 to 9 and get 2. The answer is correct, so what am I?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

How can you make number one disappear by adding something to it?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Why did the Girl throw the butter out of the window?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?