A shopkeeper makes a profit of 20% on selling a wrist watch for Rs 840

1.	A shopkeeper makes a profit of 20% on selling a wrist watch for Rs 840. For how much should he sell another wrist watch whose cost price is Rs 25 more than the earlier one so as to make the same profit percent.
Answer» Answer: let's ASSUME that CP=100 than SP=120 and profit=20 if SP is 120 than CP=100 if SP is 1 than CP=100/120 if Sp is 840 than CP=100/120840 which is 630. 630+25=655 65520/100+655=890=ANS Please MARK as brainliest

A shopkeeper makes a profit of 20% on selling a wrist watch for Rs 840. For how much should he sell another wrist watch whose cost price is Rs 25 more than the earlier one so as to make the same profit percent.

Answer»

Answer:

let's ASSUME that CP=100 than SP=120 and profit=20

if SP is 120 than CP=100

if SP is 1 than CP=100/120

if Sp is 840 than CP=100/120*840 which is 630.

630+25=655

655*20/100+655=890=ANS