Subject: General Aptitude · Chapter: Profit and Loss · Exam: 2011 · Marks: · Difficulty:
Arun purchased 30 kg of wheat at the rate of ₹ 11.50 per kg and 20 kg of wheat at the rate of ₹ 14.25 per kg. He mixed the two and sold the mixture. Approximately what price per kg should he sell the mixture to make 30\% profit?
(a)₹ 14.80
(b)₹ 15.40
(c)₹ 15.60
(d)₹ 16.30
(e)₹ 18.20
Answer
Answer (as printed): D
Explanation
C.P. of 50 kg wheat $=₹(30 \times 11.50+20 \times 14.25)$ $=₹(345+285)=₹ 630$. S.P. of 50 kg wheat $=130 \%$ of $₹ 630=₹\left(\frac{130}{100} \times 630\right)=₹ 819$. ∴ S.P. per $\mathrm{kg}=₹\left(\frac{819}{50}\right)=₹ 16.38 \approx ₹ 16.30$.
Explanation as extracted from the printed page; notation may be imperfect.