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CMAT 2018 Solved Question Paper
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© examsnet.com
Question : 15
Total: 100
From a jar of wine containing 32 litres, 4 litres is drawn out, and the jar is filled up with water. If the same proportion of wine is further drawn out two more times, what proportion of wine to water will be there in the resulting mixture?
343 : 169
245 : 166
363 : 173
323 : 189
Validate
Solution:
After n operation quantity of pure liquid
=
[
a
(
1
−
b
a
)
n
]
units
Here , b = 4 , a = 32 , n = 3
Now, According to the question, wine left
= 32
(
1
−
4
32
)
n
=
32
x
7
8
x
7
8
x
7
8
wine left =
343
16
Now, quantity of water = 32 -
343
16
=
512
−
343
16
=
169
16
∴ Ratio of wine to water in the resulting mixture = 343 : 169
© examsnet.com
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