An article is bought for Rs 560. Some of the part is sold at 20% profit and remaining at 15% loss giving a total of 10% profit. Find the cost price of part sold at 20% profit.
A.Rs 350
B.Rs 400
Feedback20.....................-15 .............10........... 10-(-15)-----------------20(-10) 25 : 10 5 : 2 So at 20% profit = 5/(5+2) * 560 Rs. 400
C.Rs 500
D.Rs 430
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