Boy sells a book for Rs. 450 he gets a loss of 10%, To gain 10%, at price he should sell? Choices
A) Rs.400  B) Rs.450  C) Rs.550  D) Rs.600  E) Rs.650
Find Selling Price to gain 10 %.   Now, we are asked to find selling price to gain 10% profit.   Hint:   Selling Price = (100 + Gain%) × C.P.   100   Selling Price = (100 + 10) × 500   100   Selling Price = (110) × 500   100   Therefore, selling Price = Rs.550   Rs.550
<result>C</result>
Boy sells a book for Rs. 450 he gets a loss of 10%, To gain 10%, at price he should sell?