Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

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?

The cream is heavier than Milk. True or False?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

If an electric train is travelling south, then which way is the smoke going?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

I can be cracked, made, told, and played. What am I?

What jumps when it walks and sits when it stands?

What am I?

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?