Boy sells a book for Rs. 800 he gets a loss of 20 %, To gain 10%, what should be the SP?	Choose the correct choice from the following choices.
A) 1100 B) 450 C) 550 D) 590 E) 600
Cost price = 800/80 x 100 = 1000   To gain 10% = 1000 x 10/100 = 100   SP = CP + gain = 1000 + 100= 
<gadget id="calculator">1000 + 100</gadget>
<output>1_100</output>
1100   1100nswer :1100
<result>A</result>
Boy sells a book for Rs. 800 he gets a loss of 20 %, To gain 10%, what should be the SP?