a man sold a book at a loss of 20% if he had sold the book for Rs12 more,he would have gained 10% .Find ths Cost of the book
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Step-by-step explanation:
cost of the book=11.80Rupees
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Answer:
Step-by-step explanation:
Assume the cost of article is x
the person sold at 20% loss
Loss % = CP-SP/CP=X-SP/X=20/100
∴ S.P =0.8 x
If he had sold it for Rs. 12 more, then he would have gained 10%.
Gain % = SP-CP/CP=(0.8+12)-x/x=10/100
∴12−0.2x=0.1x
∴12=0.3x
∴x=40
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