How can a man go eight days without sleep?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

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

What word is pronounced the same if you take away four of its five letters?

Can you find the hidden animal in the picture below?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

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

Why do people go to bed?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?