Explain unitary method.?
Unitary method is the method of finding the value of a single unit (object) at first and then finding the value of required number of units (objects).
The cost of 3 shirts is Rs 675. How many shirts can be purchased with Rs 2250?
In the above question, first of all we have to find the number of shirts that can be purchased for Re 1 (single unit of money) then we can calculate the number of shirts that can be purchased for the given amount.
Number of shirts purchased with Rs 675 = 3
Thus, 10 shirts can be purchased with Rs 2250.