GMAT Ratio Proportion | Mixtures | GMAT Maths Questions | GMAT Problem Solving Question

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GMAT Ratio Proportion | GMAT Maths Questions| Mixtures | GMAT Sample Questions | GMAT Problem Solving Question

This GMAT problem solving question is a part of the free GMAT online prep questions by Wizako.

Question
In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it?
A. 1 : 2
B. 2 : 1
C. 1 : 3
D. 3 : 1
E. 2 : 3

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I took a diagnostic test on 18th August and scored 580 Q47 and V20, since my verbal score was low I started with the Verbal Section from the OG and was able to score almost 70% of CR, RC and SC correct. My GMAT date is scheduled on 31st October and I'm a working professional. Could you give me some advice on how can I move ahead as my goal is to score a minimum of 700.

sinhaabhi