A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Before Mount Everest was discovered, what was the highest mountain in the world?

what's the probability of getting a king or a queen from a pack of 52 cards?

Count the squares in the matchstick puzzle below?

Why is the Hole below a Lock?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

Can you solve the below geography rebus by decoding the below rebus ?