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5 litres of water is added to a certain quantity of pure milk costing $3 per litre. If, by selling the mixture at the same price as before a profit of 20% is made, what is the amount of pure milk in the mixture?
A. 25 litres
B. 20 litres
C. 18 litres
D. 22 litres
E. None of these

Read Solution (Total 1)

3 rs/lit = 1.2 *[x (rs/lit)]

hence actual price = 2.5 rs /lit

hence 2.5/(3-2.5) = amount/5

amount = 25 lit
11 years agoHelpfull: Yes(0) No(0)

Wipro Other Question

Eight litres are drawn off from a vessel full of water and substituted by pure milk. Again eight litres of the mixture are drawn off and substituted by pure milk.If the vessel now contains water and milk in the ratio 9:40, find the capacity of the vessel.
A. 21 litrers
B. 22 litres
C. 20 litres
D. 14 litres
E. 28 litres Two liquids are mixed in the proportion of 3:2 and the mixture is sold at $11 per litre at a 10% profit. If the first liquid costs $2 more per litre than the second, what does it cost per litre?
A. $10.30
B. $10.60
C. $10.40
D. $10.20
E. $10.80