81. In a mixture of 40 litre, the ratio of milk and water is 4:1. If some quantity of mixture taken out and then 4 litre
9 of milk and 4 litre of water is added to the mixture then the ratio of milk and water become 8:3. Find the
quantity of mixture which was taken out initially?
A. 10 litre B. 15 litre C 12 litre
D. 18 litre
E. None of these
.
Answers
Answered by
5
Answer:
The quantity of mixture taken out initially is 15 litres
Step-by-step explanation:
Mixture = 40 litres
Amount of milk in mixture litres
Amount of water in mixture litres
Now, some quantity of mixture is taken out and then 4 litre of milk and 4 litre of water is added to the mixture, ratio of milk and water become 8 : 3
Let quantity of mixture taken out be litre
Quantity of milk in litres of mixture
Quantity of water in litres of mixture
Now, we have
New quantity of milk litre
New quantity of water litre
New Ratio = 8 : 3
We have
Thus, quantity of mixture taken out initially is 15 litres
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