Task: Question Answering
Input (English): Question: A producer of tea blends two varieties of tea from two tea gardens one costing Rs 18 per kg and another Rs 20 per kg in the ratio 5 : 3. If he sells the blended variety at Rs 26 per kg, then his gain percent is

 Option A: 12%

 Option B: 39%

 Option C: 14%

 Option D: 15%

 Option E: 16%
Output (English): Option B