Teaching KVS Stenographer Mock Test Quantitative Aptitude Mixture Problems To Make a Mixture from Two Mixtures
In a 90 litre solution, acid and water are in the ratio 2 ∶ 1, To make the ratio of acid and water as 1 ∶ 2, how many litre of water should be added to the solution?
1
80
2
75
3
90
4
120