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?

What is the next number in this matchsticks series riddle?

If eleven plus two equals one, what does nine plus five equal?

By adding four matchsticks, can you divide the square shown in the picture into two equal parts?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

Can you find out who is the kidnapper in below Picture and why, Explain ?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

What is the next number in the series?

15 29 56 108 208 ?