Rate list of some liquids purchased by Subham is
Item Rate per litre Amount required in litres
Milk 20/- 5
Oil 80/- 1
Cream 120/- 0.5
A shopkeeper offers a discount of 10%, 20% and 30% in the rate of following items.
These discounts are given according to the demand of customer. For getting maximum profit,
Subham will use 30% discount in..... Item and he will pay ...... rupee to the shopkeeper.
In the problem, Subham has to invest 100 rupee in 5 litre milk, 80 rupee in 1 litre oil and
60 rupee in 0.5 litre cream, therefore for getting maximum profit he will use 30% discount in milk
of maximum price then 20% in oil and 10% in cream of minimum price.
Mathematical proofs, like diamonds, are hard and clear, and will be touched with nothing but strict reasoning.
John Locke
Language is remarkable, except under the extreme constraints of mathematics and logic, it never can talk only about what it's supposed to talk about but is always spreading around.