Question

68. A boy sold his old text book at 20% loss for Rs. 64. What is the cost price of text book..​

Answer 1

Answer:

P = Rs . x - 64 We know Loss Percent = Loss C . P × 100 20 = x - 64 x × 100 20 x = 100 x - 6400 - 80 x = - 6400 x = 6400 80 = 80 Cost Price of the book is Rs. 80 .

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