Question
The cost price of a lamp is Rs. 500. A trader bought 18
such lamps. He sold 8 lamps at 14% profit, 6 lamps at 22% profit and the rest for Rs. 560 each. Determine the total profit earned.Solution
ATQ,
Total selling price of lamps = (8 × 500 × 1.14) + (6 × 500 × 1.22) + (4 × 560) = 4560 + 3660 + 2240 = Rs. 10,460
And, total cost price = 500 × 18 = Rs. 9,000
So, profit earned = 10460 - 9000 = Rs. 1,460
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