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

Different lights make me strange by changing me into different sizes. What am I?

Which number should replace the question mark?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

I am sure no one can have two things for dinner. what are they?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

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

What number divided by 4 is the same as that number minus 4?