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?

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

No matter how little or how much you use me, you change me every month. What am I?

Why do Chinese men eat more rice than Japanese men do ?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Out of four images which one is the odd one out?

What do you get if you add 2 to 100 four times?

Why is a river so rich ?

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