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SBI PO 4 Jan 2021 Paper
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© examsnet.com
Question : 48
Total: 100
In a mixture, ratio of milk and water is 6 : 1. 21 liters of mixture is withdrawn, and 77 liters of water is added to the mixture. If the total quantity of resultant mixture is twice of the quantity of original mixture, what was the amount of milk in original mixture?
24 liters
30 liters
48 liters
56 liters
40 liters
Validate
Solution:
Let the quantity of milk and water be
6
x
and
x
respectively.
Quantity of milk removed from mixture
=
6
7
×
21
=
18
litres
Quantity of water removed from mixture
=
1
7
×
21
=
3
litres
According to question,
7x – 21 + 77 = 2 × 7x
⇒ 7x = 56 ⇒ x = 8
Quantity of milk in original mixture
=
6
×
8
=
48
litres
© examsnet.com
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