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SBI PO 27 June 2015 Paper
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© examsnet.com
Question : 51
Total: 100
In a 90 litres mixture of milk and water, percentage of water is only 30%. The milkman gave 18 litres of this mixture to a customer and then added 18 litres of water to the remaining mixture. What is the percentage of milk in the final mixture ?
64
48
52
68
56
Validate
Solution:
Remaining mixture
= 90 – 18 = 72 litres
Milk =
72
×
70
100
= 50.4 litres
Water = 72 – 50.4 = 21.6 litres
On adding 18 litres of water,
Required percentage of milk
=
50.4
90
× 100
=
504
9
= 56%
© examsnet.com
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