A trader sells 40 metres of cloth for Rs.8200 at a profit of Rs.35 per metre of cloth. How much profit will the trder earn on 40 metres of cloth?	Pick one:  A) rs . 950  B) rs . 1500  C) rs . 1000  D) rs . 1400  E) none of these

Rationale: "explanation : sp of 1 metre cloth = 8200 / 40 = rs . 205 . cp of 1 metre cloth = rs . 205 – 35 = rs . 170 cp on 40 metres = 170 x 40 = rs . 6800 profit earned on 40 metres cloth = rs . 8200 – rs . 6800 = rs . 1400 . answer : option d"
Answer: D