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Test Index
Mixtures and Allegations Practice Test 1
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© examsnet.com
Question : 14
Total: 40
If 50% of a solution that has lime and water in the ratio 7:3 is removed and replaced by 50% of the water, then what is the concentration of lime in the new solution?
35%
20%
33
1
3
%
60%
52%
Validate
Solution:
👈: Video Solution
Let the quantity lime and water be 70 litres and 30 litres respectively.
Lime
Water
70
litre
30
litre
−
35
litre
−
15
litre
+
50
litre
35
litre
65
litre
Concentration of lime in the new solution
=
35
100
×
100
= 35%
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