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?

Can you make a six-letter word using the letters N, A and B ?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

I’m tall when I’m young, and I’m short when I’m old. What am I?

You need to move three matchsticks to form three squares. Can you do it?

What does below chemistry rebus means?

A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?