Finding Prices / Charges Related to Buying and Selling
A shop-keeper...
Question
A shop-keeper sells a hockey stick marked Rs. 150 at 10 percent discount and gives a ball costing Rs. 20.00 free with each hockey. He then makes a profit of 15 percent. His cost price per hockey is-
A
Rs. 135
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B
Rs. 115
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C
Rs. 108
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D
Rs. 100
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Solution
The correct option is D Rs. 100 M.P of hockey =Rs.150 Discount =10% i.e 150×10100=Rs.15 ∴ Net S.P=150−(15+20)=Rs.115 C.P=100×SP(100+gain) =100×115115=Rs.100