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?

Do you know who was buried in John's tomb?

What does this mathematical rebus means ?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Can you find the 09 errors in the picture below?

81 x 9 = 801. What must you do to make the this equation true?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

A man is surviving on an island along with his friend. They have been starving for four days for food. Suddenly, they find a fisherman. The friend goes with the fisherman in order to catch the fish (if they can find any).

The fisherman returns after some time but he is alone and has some salmon that he had prepared. When asked, the fisherman tells him that his best friend fell off the boat and drowned in the water. Starving for so long, he eats the meal while crying for his friend.

After being rescued, he goes to a diner and orders salmon. When he eats his meal, he jumps and commits suicide. Why did he do it?

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

What has one eye, but can’t see?