Exams › SSC CGL (Prelims) › General

Priya mixes two paints X and Y in the ratio 3 : 2. If paint X costs Rs. 400 per unit and the mixture is sold at breakeven at Rs. 560 per unit, what is the cost per unit (in Rs.) of paint Y?

1. 750
2. 725
3. 760
4. 765

Correct answer: 750

Solution

For the original problem: C1:C2 = 2:3, C1 = Rs.500, selling price = Rs.650. Cost = (2x500 + 3xC2)/5 = 650 → 1000 + 3C2 = 3250 → C2 = 750.

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