Question 55

On selling 15 balls for ₹450, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:

Solution

On selling 15 balls for ₹450, there is a loss equal to the cost price of 5 balls.

Let's assume the cost price and selling price of each ball is 'CP' and 'SP'.

15CP-15SP = 5CP

15CP-450 = 5CP

15CP-5CP = 450

10CP = 450

CP = 45

So the cost price of a ball is ₹45.

Create a FREE account and get: