Mathematics helped me get 100g Gold Coin

My neighbor was on a deathbed. He wanted to divide his savings into his three sons. So he leaves a will for the same. But with their sons, eventually, I end up earning 100g Gold because I was good at Mathematics.
Want to know how? Read here.

Puzzle #8: Egg on the floor

There is a 100 floor building. You need to do an experiment to find out the highest floor number from which the egg won’t break on dropping. You are given two eggs that are identical in all ways and you need to use only these two eggs to find out the highest floor number. If…

Puzzle #7: Pass the desert

In desert, there are same types of cars available. The car runs on petrol. But each car can only carry enough petrol to cross only half of the desert. There is no petrol station in the desert. And car can’t carry extra petrol. You need to take an important person across the desert. You can…

Puzzle #6: Bath water

In my bath tub, there is a cold water tap that flows water in at 20 litres per minute. There is also a hot water tap that flows water in at 12 litres per minute. There is also a hole at the bottom of the bath tub which removes water from the tub at 15…