Question
A tradesman marks his goods at such a price that after allowing a discount of 15%, he makes a profit of 20%. What is the marked price of an article whose cost price is Rs.170 ?
Answer: Option C
Answer: (c)If the marked price be x, then$x × 85/100 = {170 × 120}/100$x × 85 = 170 × 120$x = {170 × 120}/85$ = Rs.240Using Rule 6,Here, D = 15% r = 20%C.P. = Rs.170$\text"MP"/\text"CP" = {100 + r}/{100 - D}$$\text"MP"/170 = {100 + 20}/{100 - 15}$$\text"M.P."/170 = 120/85$M.P. = ${120 × 170}/85$M.P. = Rs.240
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Answer: (c)If the marked price be x, then$x × 85/100 = {170 × 120}/100$x × 85 = 170 × 120$x = {170 × 120}/85$ = Rs.240Using Rule 6,Here, D = 15% r = 20%C.P. = Rs.170$\text"MP"/\text"CP" = {100 + r}/{100 - D}$$\text"MP"/170 = {100 + 20}/{100 - 15}$$\text"M.P."/170 = 120/85$M.P. = ${120 × 170}/85$M.P. = Rs.240
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