Question

A container contains 40 litres of milk.from this container 4 litres of milk was taken out and replaced by water. this process was repeated further two times. how much milk is now contained by the container.

a. 26.34 litres

b. 27.36 liters

c. 28 litres

d. 29.16 litres

Answer 1

A container contains 40 litres of milk. From this container, 4 litres of milk were taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?

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20 ANSWERS



Samay Raj, Time is the King

Answered May 12, 2015

1) 40 litres of Milk

After 4 litres of Milk taken out and replaced by water.

2) 40 =  36M + 4W

Again

3)40 = 36M-10% of 36M + 4W-10% of 4W     +  4 W(replaced by water)

or   40= 32.4M  +  7.6 W

Again

4) 40 = 32.4M-10% of 32.4M + 7.6W-10% of 7.6W     +  4 W(replaced by water)  

or

40=29.16M + 10.84W

So,  

If we assume that milk and water mixes uniformly , then the volume of Milk left will be 29.16

Answer 2

here's your answer

d) 29.16litres