A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

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

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Imagine you are in a room with no windows or doors. How will you get out?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

How many words can a pen with half refill write?