Question

A man sells one speaker for 7500 rupees at a profit of 20% and another speaker for 8100 rupees at a loss of 10%. find his total loss or profit. ​

Answer 1

Answer:

selling price of speaker ₹7500

profit =20% cp= (100/ 100+gain ×sp) (100/ 100+20×7500) ( 100/ 120 ×7500) =₹ 6250 selling price of second speaker =₹ 8100 loss= 10% cp = ( 100/100-loss ×sp) (100/100-10 ×8100) ( 100/ 90 ×8100) = ₹ 9000 total cost price of speaker = (6250 + 9000) = ₹ 15250 Total selling price of speaker =( 7500+ 8100) = ₹ 15600 so, selling price is greater it is being profit , profit=( sp - cp ) ( 15600 - 15250) = ₹ 350 gain% = (gain / cp × 100) (350/15250 × 100) gain % = 2.29508197% answer