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

What does this mathematical rebus means ?

Find the number of squares in the below-given picture.

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

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

What's a single-digit number with no value?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I