A bag marked at Rs. 80 is sold for Rs. 68. The rate of discount is :	Choose the correct choice:	A) 12 %	B) 13 %	C) 15 %	D) 18 %	E) 19 %
Sol.   Rate of discount = [12/80 * 100= 
<gadget id="calculator">12/80 * 100</gadget>
<output>15</output>
15%.   Answer 15 %
<result>C</result>
A bag marked at Rs. 80 is sold for Rs. 68. The rate of discount is :