Question

The cost of 30 liters of diesel is Rs 1050/ . Find the cost of 20 liters of
diesel​

Answer 1

Answer:

Step-by-step explanation:

simple,

30 lit of petrol = Rs 1050

so

1 lit of petrol = Rs 1050/30

                   = Rs 35

1 lit of petrol = Rs 35  

therefore

20 lit of petrol = Rs 35*20

                      = Rs 700

Therefore 20 lit of petrol costs Rs 700

hope it helps you

isn't petrol excessively cheaper? of what year you are talking?

Answer 2

Given:

• Cost of 30 litres of diesel is 1050 rupees

To Find:

• Cost of 20 litres of diesel

Solution:

As given in the question, Cost of 30 litres of diesel is 1050 rupees and we are said to find 20 litres of diesel.And we will find cost of 20 litres of diesel by unitary method.So let's find!

$\: \: \sf \therefore \: cost \: of \: 30 \: litres \: of \: diesel \: is = 1050 \: rupees \\ \\ \\ \: \: \sf \: cost \: of \: 1 \: litre \: of \: diesel \: is = \frac{1050}{30} \\ \\ \\ \: \: \sf \because \: cost \: of \: 20 \: litres \: of \: diesel \: is \: = \frac{105 \cancel0}{3 \cancel 0} \times 20 \\ \\ \: \sf= 700 \: rupees$

$\therefore$

Hence, Cost of 20 litres of diesel is 700 rupees.