John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Find the 8 in the below-given Image.

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

A father's child, a mother's child, yet no one's son.

Who am I?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100