John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Can you count the number of quadrilaterals in the picture below?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

Can you find out which options fits best with the missing column?

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?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

Can you make four (4) nines (9) equal 100?