Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

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

If 21x = 79x, what is the value of x?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

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

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