Question
The average cost price of two products, Lakme and
Fruitjoy, is Rs. 400. These products are sold at profits of 10% and 20%, respectively. If the combined selling price of Lakme and Fruitjoy amounts to Rs. 918, what is the cost price of Fruitjoy?Solution
ATQ, Total CP of Lakme and Fruitjoy together = 400 × 2 = Rs. 800 Let CP of Lakme be Rs. a => CP of Fruitjoy is Rs. (800 – a) Now, ATQ 110% of + 120% of (800 – a) = Rs. 918 1.1a + 960 – 1.2a = Rs. 918 a = Rs. 420 CP of Fruitjoy = 800 – 420 = Rs.380
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