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?

Solve the rebus riddle in the picture below.

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Can you solve the below algebraic mathematical equation?

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

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?