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?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

What has hands, but can’t clap?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Replace the question mark with the correct number in below Picture:

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?