Question

The cost of 7.5kg of goods is 375rs. Find the cost of 4.2 kg of goods by unitary method

Answer 1

Here is your answer :

[ By Unitary Method ]

Given the cost of 7.5 kg goods is Rs 375

Now the cost of 1 kg of goods will be Rs 375 / 7.5

==> Rs 3750 / 75

==> Rs 50

Now cost of 4.2 kg goods will be 4.2 * Rs 50

==> Rs 42 * 5

==> Rs 210

The cost of 4.2 kg goods will be Rs 210.

Hope it helps you

=============================================================