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SSC CGL Tier 2 Exam 25 Oct 2015 Paper 1
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© examsnet.com
Question : 98
Total: 100
300 grams of sugar solution has 40% of sugar in it. How much sugar should be added to make it 50% in the solution?
40 gram
10 gram
60 gram
80 gram
Validate
Solution:
(3) In 300 gm of solution,
Sugar
=
300
×
40
100
=
120
g
m
Let x gm of sugar be mixed.
According to the question,
120
+
x
300
+
x
=
1
2
⇒
240
+
2
x
=
300
+
x
⇒
2
x
−
x
=
300
−
240
⇒
x
=
60
g
m
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