Question
A shopkeeper sells his goods at 10% discount on the marked price. What price should he mark on an article that costs him Rs.900 to gain 10% ?
Answer: Option C
Answer: (c)C.P. = Rs.900, Gain = 10%S.P. = Rs.$(110/100 × 900)$ = Rs.990Let the marked price be x.$90/100 x$ = 990$x = {990 × 100}/90$ = Rs.1100Using Rule 6,Here, D = 10%, C.P. = Rs.900,R = 10%, M.P. = ?$\text"MP"/\text"CP" = {100 + r}/{100 - D}$$\text"MP"/900 = {100 + 10}/{100 - 10}$M.P. = $110/90 × 900$ = Rs.1100
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Answer: (c)C.P. = Rs.900, Gain = 10%S.P. = Rs.$(110/100 × 900)$ = Rs.990Let the marked price be x.$90/100 x$ = 990$x = {990 × 100}/90$ = Rs.1100Using Rule 6,Here, D = 10%, C.P. = Rs.900,R = 10%, M.P. = ?$\text"MP"/\text"CP" = {100 + r}/{100 - D}$$\text"MP"/900 = {100 + 10}/{100 - 10}$M.P. = $110/90 × 900$ = Rs.1100
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