Prashant bought a car and paid 10% less than the original price. He sold it to Vartika with 30% profit on the price he had paid. What percentage of profit did he earn on the original price ?
A
6.67%
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B
14%
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C
15%
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D
17%
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Solution
The correct option is D17% Let actual cost of car was 100 SP for Prashant =100−10% of 100=100−10100×100=90 SP for Vartika =90+30% of 90=90+30100×90=90+27=117 Gain =117−90=27 Gain % on actual cost price =17100×100=17%.