engineering recuitment HPCL Junior Executive 2025 Mock Test Quantitative Aptitude Mixture Problems To Make a Mixture from Two or More Things
A mixture contains acid and water in the ratio of 7 : 3. If 4 litres of water is added to it, then the ratio of acid and water becomes 7 : 4. What is the quantity (in litres) of acid in the mixture?
1
28
2
22
3
20
4
32