Ravi bought 15 kg of sugar at 12 per kg and 10 kg of sugar at 14 per kg. He mixed the two varieties and sold the mixture at 16 per kg. What was his total profit?
A
30
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B
70
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C
80
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D
20
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Solution
The correct option is C 80 CP of 15 kg of sugar at 12 per kg is 12×15=18012×15=180 CP of 10 kg of sugar at 14 per kg is 14×10=14014×10=140 Total CP=320CP=320 SP of 25 kg of sugar on 16 per kg is 25×16=40025×16=400 Profit for CP=320CP=320 is 400−320=80400−320=80. Profit for CP=100CP=100 is 80320×100=25%80320×100=25%.