The correct option is B ₹25
1 l of juice =₹100
250 ml of juice =?
We know that, 1 l=1000 ml
So now, 1000 ml of juice =₹100
250 ml is 1 out of 4 parts of 1000 ml, i.e., 14 of 1000 ml.
Similary, 1 out of 4 parts of ₹100,
i.e.,14 of ₹100 is ₹25.
∴ Sara needs ₹25 to buy ₹250 ml of juice.