Cost of 5kg of wheat is Rs 30.50
What quantity of wheat can be purchased in Rs 61?
Quantity of wheat that can be purchased from Rs 30.50 = 5kg
Applying unitary method, where firstly we find the value of one unit and then the value of required number of units.
∴ From Rs 1, quantity of wheat that can be purchased = 530.50kg
∴ From Rs 61, quantity of wheat that can be purchased
= 530.50×61 = 53050×61×100kg [multiplying numerator and denominator by 100]
Thus, we can purchase 10kg wheat from Rs 61