I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Can you Find and name the hidden bird in the picture below ?

The dirtier I get, the whiter I look. Who am I?

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

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?

Which is faster, Heat or Cold ? Explain.

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Why is the Hole below a Lock?