On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:
A. Rs. 45
B. Rs. 50
C. Rs. 55
D. Rs. 60
Answer:D
On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:
A. Rs. 45 B. Rs. 50 C. Rs. 55 D. Rs. 60
Explanation: C.P. of 17 balls) - (S.P. of 17 balls) = (C.P. of 5 balls)