RRB NTPC CBT I 10 Jan 2021 Shift 2 Paper

Rahim purchased 20 kg of oranges at the rate of Rs. 45/kg and sold them at the rate of Rs. 54/kg. During this period 1.5 kg oranges got spoiled. He sold the spoiled oranges at the rate of Rs. 10/kg. His net gain or loss percent is: