A trader sells 60 meters of cloth for Rs. 8400 at the profit of Rs. 12 per metre of cloth. What is the cost price of one metre of cloth?
Options:
A) 128
B) 140
C) 123
D) 110
E) 150

Rationale: "sp of 1 m of cloth = 8400 / 60 = rs . 140 cp of 1 m of cloth = sp of 1 m of cloth - profit on 1 m of cloth = rs . 140 - rs . 12 = rs . 128 . answer : a"
Answer: A