A trader sells 85 meters of cloth for Rs. 8925 at the profit of Rs. 15 per metre of cloth. What is the cost price of one metre of cloth?

A. Rs. 80
B. Rs. 85
C. Rs. 90
D. Rs. 95
E. None of these
Explanation:
SP of 1m of cloth = 8925/85 = Rs. 105
CP of 1m of cloth = SP of 1m of cloth – profit on 1m of cloth
= Rs. 105 – Rs. 15 = Rs. 90.