John was piloting a plane behind a car but was never able to overtake it. Why?

How many Watermelons are there in the below picture?

Move three sticks of the spiral below to form a square.

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Why Wine Glass Stem is so long?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

I am an odd number. Take away a letter and I become even. What number am I?

what does this picture(rebus) riddle means ?

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?