How can a man go eight days without sleep?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

How is the moon similar to a dollar?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

Prove that twice of ten is the same as twice of eleven.

The world's largest Thanksgiving turkey was on display at a fair. Everyone was admiring it when suddenly a woman ran up and shot the turkey and left. Everyone knew her yet nobody made any attempts to stop or report her. Why?

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?