John sells red chili powder. To earn more profit, he mixes brick powder in red chili powder. He buys red chili powder at Rs. 3000 per kg an… — Answer & Discussion

John sells red chili powder. To earn more profit, he mixes brick powder in red chili powder. He buys red chili powder at Rs. 3000 per kg and sells at 5% less than cost price. How much brick powder should he mix in 5 kg of red chili powder so as to earn a profit of 12%?

A756 grams
B895 grams
C990 grams
D1 kg

Answer not set

Join the discussion Report an error

Discussion 1

CCommunity27 May 2019

Suppose he mixes T kg of brick powder in 5 kg of chili powder.

Cost price of 5 kg of chili powder = Rs. 3000 × 5 = Rs. 15000

After mixing, total amount of mixture = (5 + T) kg

Selling price of 1 kg of mixture = 3000 – 3000 × (5/100) = Rs. 2850

Selling price of (5 + T) kg of mixture = Rs. 2850 × (5 + T) = Rs. (14250 + 2850T)

We know, Selling Price = Cost Price × (1 + (Profit Percentage)/100)

(14250 + 2850T) = 15000 × (1+ 12/100)

14250 + 2850T = 16800

T = 2550/2850 = 0.895

∴ 0.895 kg or 895 grams of brick powder should be mixed.