Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Can you divide the below-given shape into four equal and identical pieces?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Find out the missing number in the picture attached:

Why did Buffon take the goal with him after every Juventus match?

Why Aeroplane windows are round?

Count the number of triangles in the below picture?

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?

Can you find the key in the picture below?