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1. |
Two vessels contain equal quantities of 40% alcohol. Sachin changed the concentration of the first vessel to 50% by adding extra quantity of pure alcohol. Vivek changed the concentration of the second vessel to 50% replacing a certain quantity of the solution with pure alcohol. By what percentage is the quantity of alcohol added by Sachin more/less than that replaced by Vivek ? |
A. | $11\frac{1}{9}$$% less |
B. | $11\frac{1}{9}$$% more |
C. | $16\frac{2}{3}$$% less |
D. | $20$$% more |
Answer» E. | |