20 L of a mixture contains alcohol and water in the
ratio 2:3. If 4 L of water is mixed in it, the
percentage of alcohol in the new mixture will be
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Answer:
B) 1623%
Description for Correct answer:
Alcohol : Water
Ratio of Quantity→ 1 : 4
According to the question,
(1 + 4)units = 15 litres
5 units = 15 litres
1 units = 3 litres
Quantity of alcohol =1×3=3litres
Quantity of water=4×3=12litres
NEw quantity of water = (12 + 3) = 15 litres
Required %=3(15+3)×3
=318×100
=1623%
Explanation:
B) 1623%
Description for Correct answer:
Alcohol : Water
Ratio of Quantity→ 1 : 4
According to the question,
(1 + 4)units = 15 litres
5 units = 15 litres
1 units = 3 litres
Quantity of alcohol =1×3=3litres
Quantity of water=4×3=12litres
NEw quantity of water = (12 + 3) = 15 litres
Required %=3(15+3)×3
=318×100
=1623%
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