Question

If a milkman sells 1 litre of milk of Rs.30, how much does he earn on selling 10 litres of milk? with explation

Answer 1

Answer:

When the water is freely available and all the water is sold at the price of the milk, then the water gives the profit on the cost of 20 litres of milk.

cost of 20 litres milk =20×18=360

cost of the 25 litres of milk after mixing the water =25×18=450

profit percent =S.Pprofit×100

=45090×100=20%

Answer 2

Answer:

300 Rs.

Step-by-step explanation:

1 litre milk =30₹

10 litre milk = ?

(note:if you are less than class 5th use this method)

10x30=300₹

(note: if you are in higher class use this method)

Cross multiplication

let X as the value of (?)

1xX=10x30

X=10x30

X=300

therefore, the cost of the 30 litre milk is

=300 Rs.