Question

In A petrol - oil mixture of 80 litres, the ratio of petrol and oil is 3:2.If the desired ratio of the mixture is to be 1:2,then the quantity of oil to be further added is?

Answer 1

Answer:64

Explanation:let petrol be 3k and oil be 2k.

So, 80=3k+2k

K=16

Petrol=48ltr

Oil=32ltr

Now only oil to be added to the desired ratio of 1:2

Let x be the oil to be added

So, 80+x=48*1+48*2

X=64ltr