Cost of 6kg of wheat is Rs 72. What will be the cost of 1kg of wheat?
₹ 12
This is a classic case of the simple unitary method. If the cost of 6kg of wheat is ₹ 72, the cost of 1kg will simply be ₹ 72 divided into 6 parts. So we have,
Cost of 1kg = 72/6 = ₹ 12