A spice dealer charges 20% above cost price, and he also uses a weight of 960 g in place of 1 kg. What is his actual gain percentage?

Explanation

1. 01

   For 960 g of spice (cost of 960 g), he charges 1.2 × the cost of 1,000 g.

2. 02

   Gain factor = $\frac{1.2 \times 1000}{960} = 1.25$.

3. 03

   Gain = 25%.