A trader sells 80 meters of cloth for Rs. 6900 at the profit of Rs. 20 per metre of cloth. What is the cost price of one metre of cloth? Pick one
A) 22  B) 75  C) 90  D) 78  E) 66
SP of 1m of cloth = 6900/80 = Rs. 86   CP of 1m of cloth = SP of 1m of cloth - profit on 1m of cloth   = Rs. 86 - Rs. 20 = Rs. 66.   Answer: 66
<result>E</result>
A trader sells 80 meters of cloth for Rs. 6900 at the profit of Rs. 20 per metre of cloth. What is the cost price of one metre of cloth?