If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

What word is pronounced the same if you take away four of its five letters?

Can you start the fire using two pieces of wood?

You can hear me, but you can't touch or see me.

What am I?

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?

There was a strange boy who was born before his father. How can this be possible?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?