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Debanjan Mandal

· started a discussion

· 1 Months ago

from where you get 24?

Question:

What quantity of a 30 litre mixture containing 80% alcohol should be replaced with pure alcohol so that the concentration of alcohol in the resultant mixture is 84% ?

Options:
A)

6

B)

5

C)

4

D)

15

Solution:


So 6 lit. should be replaced with pure alcohol.

Knowledge Expert

· commented

· 1 Months ago

4*6=24

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