What four weights can be used to balance from 1 to 30 pounds?

A man was convicted of a minor offence in Akbar court. Akbar decided to give him a chance. He asked him to give a statement. If the statement is true, he will be killed by lions and if it is false, he will be killed by trampling of wild elephants.

The convicted person requested help from Birbal and since the crime was not a big one, Birbal decided to help him. Whatever Birbal suggested impressed Kabir and he let the convicted person go.

What did Birbal suggest to the person?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Can you count the number of children in the picture below

Name a key which is hardest to turn.

How many bananas can you eat if your stomach is empty?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

How many words can a pen with half refill write?

Count the squares in the matchstick puzzle below?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?