It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

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

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

What kind of tree can you carry in your hand?