Question

Two jars contain equal quantities of 40% alcohol.
Swati changed the concentration of the first jar to
50% by adding extra quantity of pure alcohol. Sonali
changed the concentration of the second jar to 50%
replacing a certain quantity of the solution with pure
alcohol. By what percentage is the quantity of alcohol
added by Swati more than that replaced by Sonali?
(a) 10%
(b) 20%
(e) None of these
octoraduate program of Calcutta
(c) 30%
(d) 40%​

Answer 1

Answer:

d) 40

Step-by-step explanation:

Answer 2

Answer:

40 is the answer of this questions