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

I am the fastest animal but cannot climb the tree. What am I?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

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

what does the below rebus means?

Identify the 10 differences between the two given pictures.

Spot what is wrong here in below Picture?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

What number do you get when you multiply all of the numbers on a telephone's number pad?