A cloth merchant has announced 25% rebate in prices. If one needs to have a rebate of Rs.40, then how many shirts, cash costing Rs.32, he should purchase ? Choose the correct choice:
A) 6  B) 5  C) 10  D) 7  E) 8
Explanation:   Suppose the number of shirts = x.   Then, rebate = [25/100×32x]=8x   8x=40 or x = 5.   Correct Option : 5
<result>B</result>
A cloth merchant has announced 25% rebate in prices. If one needs to have a rebate of Rs.40, then how many shirts, cash costing Rs.32, he should purchase ?