Arithmetic

Mixture & Alligation

Easy

A mixture of alcohol and water contains 35% alcohol by weight. if 25 g water is added to such a mixture of 100 g, then the percentage of alcohol in the mixture is

25%

28%

30%

32%

✅ Correct Option: 2

Initial mixture (100g):

Alcohol = 35% of 100g = 35g
Water = 65% of 100g = 65g

After adding 25g water:

Total water = 65g + 25g = 90g
Total alcohol = 35g (unchanged)
New total weight = 125g

New percentage of alcohol:

$\frac{35}{125} × 100 = 28\%$

Therefore, the new percentage of alcohol in the mixture is 28%

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JIPMAT 2025

The ratios of copper to zinc in alloys A and B are 3:4 and 5:9, respectively. If A and B are taken in ratio 2:3 and melted to form new alloy C, then the ratio of copper to zinc in C is:

A mixture of alcohol and water contains 35% alcohol by weight. if 25 g water is added to such a mixture of 100 g, then the percentage of alcohol in the mixture is

Solution

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