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 most appropriate option:
A) Rs.(b*x)
B) Rs.{(b*x)/a}
C) Rs.{(a*b)/x}
D) None of these
E) Cannot be determined
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?