By selling a bat for Rs. 640/- a man loses 20% what is that bat cost price	Choose the correct option.
A) Rs.800/-  B) Rs.820/  C) Rs.840/  D) Rs.860/  E) Rs.870/
Explanation:   80 % ------&gt; 640 (80 * 8 = 640)   100 % ------&gt;800 (100 * 8 = 800)   Cost price = Rs.800/-   Rs.800/-nswer: Option Rs.800/-
<result>A</result>
By selling a bat for Rs. 640/- a man loses 20% what is that bat cost price