If a cloth merchant sells ‘a’ metres of cloth for Rs.x, then what is the selling price of ‘b’ metres of cloth?  Choose the correct choice from the following answers:
A) Rs.{(b*x)/b}
B) Rs.{(b*x)/a}
C) Rs.{(b*x)/j}
D) Rs.{(b*x)/l}
E) Rs.{(b*x)/as}
Explanation:   Cost of ‘a’ metres of cloth = Rs.x. Therefore, each metre of cloth costs Rs. (x/a).   The cost of ‘b’ metres of cloth = Rs. b*(x/a) = Rs. {(b*x)/a}   ANSWER:Rs.{(b*x)/a}
<result>B</result>
If a cloth merchant sells ‘a’ metres of cloth for Rs.x, then what is the selling price of ‘b’ metres of cloth?