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

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

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

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?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

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

How many triangles are there in the picture below?