During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

What can go up a chimney down, but can’t go down a chimney up?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

What always comes into a house through the keyhole?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Prove that twice of ten is the same as twice of eleven.

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

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