What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

Can you name some countries which do not have the alphabet 'A' in them?

Count the number of lines in the image below ?

What do you call a fish without an eye?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?