When can we add 2 to 11 and get 1 as the correct answer?

What will you call your mother's brother's brother-in-law?

John was piloting a plane behind a car but was never able to overtake it. Why?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

What Does this text mean:

important=important

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Replace the question mark in the picture below.

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.