Why Aeroplane windows are round?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Who are the happiest people in IPL match?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

What can go through glass without breaking it?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?