7. A shopkeeper buys an article for375. At what price must be mark it

1.	7. A shopkeeper buys an article for375. At what price must be mark it so that after allowing adiscount of 10%, he still makes a profit of 20%.
Answer» CP of article = 375Let marked price be MPSP = 375 + 375x20/100= 375(1 + 1/5)= 375 x 6/5= 450 SP = MP - MP(10/100)= MP(1-1/10)= MP(9/10) MP(9/10) = 450MP = 4500/9MP = 500 MARKED PRICE IS RS. 500

7. A shopkeeper buys an article for375. At what price must be mark it so that after allowing adiscount of 10%, he still makes a profit of 20%.

Answer»

CP of article = 375Let marked price be MPSP = 375 + 375x20/100= 375(1 + 1/5)= 375 x 6/5= 450

SP = MP - MP(10/100)= MP(1-1/10)= MP(9/10)

MP(9/10) = 450MP = 4500/9MP = 500

MARKED PRICE IS RS. 500