A can contains 40 litres of milk at Rs 3 5 per litre How much water must be added to this can so tha...........

Quant (SSC) Mixture and Alligation

A can contains 40 litres of milk at Rs 3.5 per litre. How much water must be added to this can so that the cost of milk reduces to Rs 2 per litre?

20 litres

30 litres

24 litres

38 litres

Milk(40 litres) Water(x litres)
3.5 0
. 2
2 1.5
Ratio = 2 : 1.5 = 4 : 3
so 4/3 = 40/x
solve, x = 30 litres

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