A dealer professing to sell at cost price uses a 900 gms weight for a kilogram. His gain percent is:________?
Q1. A dealer professing to sell at cost price uses a 900 gms weight for a kilogram. His gain percent is:________?
Answer: 11.11%
Explanation: Selling 900 g as 1 kg at cost price gives gain% = (1000−900)/900 × 100 = 11.11%.