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Percentage - Quantitative Aptitude (MCQ) questions for Q. 135
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Q. 300 gm of sugar solution has 40% sugar. How much sugar should be added to make it 50% in the solution?
- Published on 15 Jun 15
a.
55 gm
b.
60 gm
c.
70 gm
d.
40 gm
ANSWER: 60 gm
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Discussion
Kishan Yadav
-Posted on 04 Dec 21
300 gram sugar has 40% sugar = 40% of 300 = 0.40 X 300 = 120 gram sugar && 180 water
Previously, Water : Sugar = 180 : 120
Now, Water : Sugar = 1:1 (50% sugar and 50% water) (balance between sugar and water)
So, to balance the solution we need to add (180-120) = 60-gram sugar to be added
So, Water : Sugar = 180 : (120 + 60) = 180:180 = 1:1
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