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