Task: Question Answering
Input (English): Problem: 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 25 per kg, then his gain percent is
Options: a. 12 %, b. 33 %, c. 14 %, d. 15 %, e. 16 %
Output (English): b