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:
Answer & explanation
Correct answer: option 3
On selling 15 balls for 450, there is a loss equal to the cost price of 5 balls.
15CP-15SP = 5CP
15CP-450 = 5CP
15CP-5CP = 450
10CP = 450
CP = 45