Why do people go to bed?

When it's bad luck to meet a black cat?

Can you solve the below algebraic mathematical equation?

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

What is 3/7 chicken, 2/3 cat and 2/4 goat?

What can you see in the middle of March and April that you can never see in any other month?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

What can go up a chimney down, but can’t go down a chimney up?

What has no start, end, or centre?