Two electronic musical instruments were purchased for Rs. 8000. The first was sold at a profit of 40% and the second at a loss of 40%. If the sale price was the same in both the cases, what was the cost price of the electronic musical instruments?  Select the correct option.
A) 1400,5600
B) 3400,5600
C) 2400,5600
D) 2400,4600
E) 2400,3600
let cost prices be x and 8000-x   s.p1=s.p2   (140/100)*x=(60/100)*(8000-x)   x=2400   cost prices are 2400,5600   ANSWER:2400,5600
<result>C</result>
Two electronic musical instruments were purchased for Rs. 8000. The first was sold at a profit of 40% and the second at a loss of 40%. If the sale price was the same in both the cases, what was the cost price of the electronic musical instruments?