Question
Let us try an ancient problem from Lilavati. At that 4 time weights were measured in a unit named palas 22 and niskas was a unit of money. "If $2 \frac{1}{2}$ palas of saffron costs $\frac{3}{7}$niskas, O expert businessman! tell me quickly what quantity of saffron can be bought for 9 niskas?"

