What kind of band never plays music?

Which number should replace the question mark?

What Deficiency does the below rebus represent?

VIT_MIN

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

Give it food and it will live; give it water and it will die.

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

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?