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?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

In the image given, you can find several triangles. Can you count them all?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Can you decipher the below rebus?

PBLUESAISNUERSES

Aman has 1.15 rupees in his pocket. There are a total of 6 coins in his pocket.

When his friend asked him for a change, he could not give change for a rupee and five paisa.

Can you tell which coins he has?

Find the smallest sentence with all the English alphabet.