Identify the hidden meaning behind this picture?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

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?

What English word has three consecutive double letters?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

Why Aeroplane windows are round?

Bay of Bengal is in which state?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

What month of the year has 28 days?