Correct Answer: 50 %
Explanation:
From question CP/SP = 12/18 = 2/3 ∴ Profit (%) = ( 3 - 2 ) / 2 x 100 = 50%2nd Solution: CP = 100/18 = 5.55 paisa SP = 100/12 = 8.33 paisa ∴ Profit = (8.33-5.55)/5.55 x 100 = 50 %