What does this simple rebus mean?

How can you take 2 from 5 and leave 4?

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

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

What jumps when it walks and sits when it stands?

Replace the question mark with the number below given a simple math problem.

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?