# What will be the Gain Percentage? If

A manufacturer blends two varieties of tea, one costing Rs. 72 per 250 g and another costing Rs. 80 per 250 g, in the ratio of 5:3. If he sells the blended variety at Rs. 84 per 250 g, then his percentage gain is

- 12%
- 15%
- 18%
- 6%