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

AB * C = DE - F = GH / I

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

What number divided by 4 is the same as that number minus 4?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

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

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

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n