Aptitude - Ratio and Proportion - Discussion

Discussion Forum : Ratio and Proportion - General Questions (Q.No. 5)
5.
In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quantity of water to be further added is:
20 litres
30 litres
40 litres
60 litres
Answer: Option
Explanation:

Quantity of milk = 60 x 2 litres = 40 litres.
3

Quantity of water in it = (60- 40) litres = 20 litres.

New ratio = 1 : 2

Let quantity of water to be added further be x litres.

Then, milk : water = 40 .
20 + x

Now, 40 = 1
20 + x 2

20 + x = 80

x = 60.

Quantity of water to be added = 60 litres.

Discussion:
153 comments Page 12 of 16.

Niranjanasree said:   2 years ago
1x + 2x = 60 +x.
3x - x = 60.
2x = 60,
x = 30.
Water - 2x = 2(30).
= 60.
(25)

Saadhu said:   10 years ago
I can't able to understand the new ratio 1:2. Someone, please explain me.

Manpreet said:   1 decade ago
Please I don't understand your method. Can you explain in simple way?

Baby Rani said:   10 years ago
I don't understand this mixture method. Please help me to get this.

Vishal said:   8 years ago
In 2nd case, why should we consider mixture as equals to 40 litre?

Preety said:   1 decade ago
Expline me how? It is very tough concept for me. I got confused.

Rpv said:   1 decade ago
@Shrikant.

Is this formula applicable of all type of problems?

Anil said:   2 decades ago
Your plan and all is correct but your thinking is not correct.

Nagasheshu said:   4 years ago
60 lit, 2:1.

2x +1x = 60 lit,
3x = 60,
x = 60/3,
x = 20 lit.
(24)

Poorni said:   1 decade ago
Thank you karthik negi for your clear and crisp explanation.


Post your comments here:

Your comments will be displayed after verification.