Q39. How much water must be added to cask which contains 40 lite of mile costing price Rs 3.5 litre so that the cost of milk reduces to Rs 21 litre?
(a) 30 ı
(b) 32 ı
(c) 35 ı
(d) 37 ı
Ratio of milk and water should be
2 : 1.5 = 4 : 3
How much water must be added to 60 litres of milk at 1.5 litres for Rs.20 so as to have a mixture worth Rs.1023 a litre?
If one litre of milk costs Rs 30, then how much does two-quarters of a litre of milk costs?