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CAT Exam Model Paper 2 with solutions for free online practice
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© examsnet.com
Question : 68
Total: 100
4 kg of a metal contains
1
5
copper and rest is zinc. Another 5 kg of metal contains
1
6
copper and rest is zinc. The ratio of copper and zinc into the mixture of these two metals
46 : 215
49 : 221
41: 276
39 :199
Validate
Solution:
Copper in 4 kg =
4
5
kg
and Zinc in 4 kg =
4
×
4
5
=
16
5
kg
Copper in 5 kg =
5
×
=
1
6
=
5
6
kg
Zinc in 5 kg =
5
×
=
5
6
=
25
6
kg
Therefore, Copper in mixture =
4
5
+
5
6
=
49
30
kg
and Zinc in the mixture =
16
5
+
25
6
=
221
30
kg
Therefore, the required ratio = 49 : 221
© examsnet.com
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