state gov WBPSC Clerkship Mock Test 2023 - 24 Quantitative Aptitude Mixture Problems To Make a Mixture from Two or More Things
How much water should we add to 30 liters of 15% solution to dilute it to a concentration of 12%?
1
3.5 liters
2
5 liters
3
7.5 liters
4
8 liters