Question

A man bought 400 m of a lot for rs 40,000 sold it at the rate of rupees 200 per one and a half metre what was his percentage profit or loss

Answer 1

$cp = 150(for \: 1.5m) \\ sp = 200 \\ profit = 50 \\ p\% = \frac{50}{150} \times 100 = 33 \times \frac{1}{3} \%$