The profit obtained by selling a book for Rs.56 is the same as the loss obtained by
The profit obtained by selling a book for Rs.56 is the same as the loss obtained by selling this book for Rs.42. What is the cost price of the book ?
(a) Rs.40 (b) Rs.49 (c) Rs.50 (d) Rs.55 (e) None
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(b) CP = SP – Profit
= 56 – x .......(1)
CP = SP + Loss
= 42 + x .......(2)
56 – x = 42 + x
56 – 42 = x + x
14 =2x, x 14/2 =7
CP = 56 – 7 = 49.
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