I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

What do you see in the given picture?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

What has one letter and starts with an E?