What is unitary method ?

Unitary Method:

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.


A man earns Rs 400 in 10 days . How much will he earn in 28 days ?


Since in 10 days , the man earns = Rs 400

As per unitary method let us see how much he earns in 1 day

Therefore in 1 day , he will earn = Rs $\frac{400}{10}$

                                                         =Rs  40 

Therefore in 28 days , he will earn = 28 $\times$ 40
                                                              = Rs 1120 


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