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Maths Puzzle
Arun purchased 30 kg of wheat at the rate of Rs. 11.50 per kg and 20 kg of wheat at the rate of Rs. 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) Rs. 15.80
(b) Rs. 16.40
(c) Rs. 15.60
(d) Rs. 16.30
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- Arun purchased 30 kg of wheat at the rate of Rs. 11.50 per kg ( for RS. 345) and 20 kg of wheat at the rate of Rs. 14.25 per kg ( for Rs. 285).
Total CP = Rs 620 for 50 kg wheat
SP for 50 kg wheat = 630*1.3= Rs 819
SP for 1 kg = 819/50 = approx Rs. 16.40 - 12 years agoHelpfull: Yes(4) No(1)
- Ans. Option (b) Rs. 16.40
CP of 30 kg of wheat at the rate of Rs. 11.50 per kg = 11.50 * 30 = Rs. 345
CP of 20 kg of wheat at the rate of Rs. 14.25 per kg = 14.25 * 20 = Rs. 285
CP of 50 kg. of Mixture of wheat = Rs.345 + Rs.285 = Rs. 630
Profit = 30%
So SP for 50 kg. of Mixture of wheat = 630*130/100= Rs. 819
SP for 1 kg. of Mixture = 819/50 = approx Rs. 16.40
Hence Option (b) is answer. - 12 years agoHelpfull: Yes(1) No(1)
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