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 21 per kg, then his gain percent is:
A. 10
B. 19
C. 12
D. 22
Answer:C
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 21 per kg, then his gain percent is:
A. 10 B. 19 C. 12 D. 22
Explanation: Suppose he bought 5 kg and 3 kg of tea.