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?

Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?

What do you think with the below Picture ?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Can you replace the question mark with the correct number in the below table sequence?

Can you solve this picture maths equation?

What has many keys but can’t open a single lock?