The sale price of a trolley bag including the sale tax is Rs. 560. The rate of sale tax is 12% . If the shopkeeper has made a profit of 25%, the cost price of the trolley bag is:  Options
A) Rs 1000 B) Rs 900 C) Rs 400 D) Rs 600 E) None of these
Explanation :   112% of S.P. = 560   S.P. = Rs.(560x 100/112) = Rs.500.   C.P. = Rs (100/125x 500) = Rs 400   Answer : Rs 400
<result>C</result>
The sale price of a trolley bag including the sale tax is Rs. 560. The rate of sale tax is 12% . If the shopkeeper has made a profit of 25%, the cost price of the trolley bag is: