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Two solutions of 90% and 97% purity are ...

Two solutions of 90% and 97% purity are mixed resulting in 21 litres of mixture of 94% purity. How much is the quantity of the first solution in the resulting mixture?

A

15 litres

B

12 litres

C

9 litres

D

6 litres

Text Solution

Verified by Experts

The correct Answer is:
C
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