One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

Which is the correct shadow of the bird?

What is the centre of gravity?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Can you count the number of lines in the below picture?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

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

They are three errirs in this question. Can you find them?

What has a bottom at the top?