If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Decode this picture on T-Shirt and tell what it says ?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Solve the following series:
AZ, GT, MN, __, YB

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

Which wheel of car does not rotate when you turn your car right?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?