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Mixtures and Allegations Practice Test 1
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© examsnet.com
Question : 36
Total: 40
A 5 kg of metal contains
1
6
of gold and the rest is silver. Another 6 kg of metal contains
1
7
of gold and the rest is silver. Then the ratio of gold and silver in the mixture of these two metals is:
71 : 391
61 : 390
71 : 356
61 : 391
61 : 356
Validate
Solution:
👈: Video Solution
Weight of gold in a 5 kg of metal =
5
6
kg
Weight of silver in a 5 kg of metal =
25
6
kg
Weight of gold in a 6 kg of metal =
6
7
kg
Weight of silver in a 6 kg of metal =
36
7
kg
Weight of gold in the mixture
=
(
5
6
+
6
7
)
kg
=
71
42
kg
Weight of silver in the new mixture
=
25
6
+
36
7
=
391
42
kg
So, the required ratio of gold and silver = 71 : 391
© examsnet.com
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