A wholesaler mark up his good such that he can gain 8% profit after giving 10% discount to his customers. One particular customer availed a discount of 12% only. If the profit earned by the trader from this cutomer is Rs. 50.4, then, what is the cost price of the good?
Let the CP be Rs. 100 Then, SP = 100 + 8 = Rs. 108 MP = (108 x 100)/ 90 = 120 New SP = 120 x 88/100 = 105.6 Profit = 105.6 – 100 = 5.6 Now, 5.6 ≡ Rs.100 50.4 ≡ 100 x 50.4/ 5.6 = 900
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