2016 · Q48
A provisions shop-owner is found to mix 25 kg of rice worth Rs 32/kg and 20 kg of rice worth Rs 35/kg and the mixed rice is sold at 15% profit. What is the selling price of the mixed rice?
General Mental Ability, Quantitative Aptitude and StatisticsNumber system and arithmetic
- ARs. 35.40/Kg
- BRs. 38.33/Kg
- CRs. 36.50/Kg
- DRs. 37.42/Kg
Explanation
Cost of the 45 kg mix = 25 × ₹32 + 20 × ₹35 = ₹800 + ₹700 = ₹1,500. A 15% profit gives ₹1,500 × 1.15 = ₹1,725 for 45 kg, i.e. ₹1,725 ÷ 45 = ₹38.33 per kg. Hence (B).