Why do people go to bed?

Two friends were stuck in a cottage. They had nothing to do and thus they started playing cards. Suddenly the power went off and Friend 1 inverted the position of 15 cards in the normal deck of 52 cards and shuffled it. Now he asked Friend 2 to divide the cards into two piles (need not be equal) with equal number of cards facing up. The room was quite dark and Friend 2 could not see the cards. He thinks for a while and then divides the cards in two piles.

On checking, the count of cards facing up is same in both the piles. How could Friend 2 have done it ?

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Why do Chinese men eat more rice than Japanese men do ?

Can you find the dog hidden in a group of pandas?

Spot what is wrong here in below Picture?

How many times in a given day, minutes and hour clock comes in a straight line ?