By selling 18 oranges for a rupee a man losses 20%. How many oranges should he sell for a rupee to earn 20% profit.
Answer & explanation
Correct answer: option 3
CP = \(\frac{1}{18}\) × \(\frac{100}{80}\) = \(\frac{5}{72}\)
SP = \(\frac{5}{72}\) × \(\frac{120}{100}\) = \(\frac{1}{12}\)
He should sell 12 oranges for Rs.1