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CDS Model Paper 5 Mathematics
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© examsnet.com
Question : 12
Total: 100
In three vessels, the ratio of water and milk is
6
:
7
,
5
:
9
and
8
:
7
, respectively. If the mixtures of the three vessels are mixed together, then what will be the ratio of water and milk?
2431
:
3781
3691
:
4499
4381
:
5469
None of these
Validate
Solution:
Water
Milk
Total.
1 st vessel
6
7
13
2nd vessel
5
9
14
3 rd vessel
8
7
15
LCM of
13
,
14
&
15
=
2730
Increase value of total to 2730 as follows.
1st vessel
1260
1470
2730
2nd vessel
975
1755
2730
3rd vessel
1456
1274
2730
Total
3691
4499
8190
∴ Required ratio
=
3691
4499
© examsnet.com
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