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I’m facing a similar issue
I recently started using eGMAT and will be retaking the exam on Jan 8 most probs
Got a 615 on my prev attempt
Need to somehow bring it up to 705 minimum
How can I optimise my prep plan?
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Quote:

how do i know what to assume as variable in mixture questions, i tend to get confused?
80%
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For those who are interested this question is discussed in detail here: https://gmatclub.com/forum/if-a-portion ... 00271.html Hope it helps.
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Quote:

how do i know what to assume as variable in mixture questions, i tend to get confused?
For question like these, it doesnt matter if add a 50% concentrate sol and a 25% sol, or you take a portion out of 50%concentrate sol to add 25% sol to it.

What is going to change is the Quantity. But the ratio/proportion/ % is going to be the same if you want to get a 30% const. Sol.

So you can just use alligations.

30-25/ [50-30]+[30-25]
5/25 = 20% for the 50% con sol, in the new mix, and the remaining is 80% which is the 25% con sol.
And this 80% is what was replaced

Quote:

For question like these, it doesnt matter if add a 50% concentrate sol and a 25% sol, or you take a portion out of 50%concentrate sol to add 25% sol to it.

What is going to change is the Quantity. But the ratio/proportion/ % is going to be the same if you want to get a 30% const. Sol.

So you can just use alligations.

30-25/ [50-30]+[30-25]
5/25 = 20% for the 50% con sol, in the new mix, and the remaining is 80% which is the 25% con sol.
And this 80% is what was replaced
Explaination sounds like a lot but math and time need is around 45 sec
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Quote:

Moving from a 555 to 705 may be possible, but unfortunately it really seems like a stretch. :(

I was able to go from 565 to 645 over 8 months with e-gmat. But I was approaching prep in a very relaxed manner, so that time frame will probably be less for someone studying 4 hours a day.

You can try out different prep companies by taking a free trial to see which one is right for you. E-gmat and ttp are very popular and both are very comprehensive courses.
Hey Rishabh, just curious, have you read any GMAT debriefs?

I'd like to read one to understand your weak points when your score was 565 and how you solved them to get 645
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Quote:

Hey Rishabh, just curious, have you read any GMAT debriefs?

I'd like to read one to understand your weak points when your score was 565 and how you solved them to get 645
*Sorry, I mean "wrote any GMAT debriefs."

Not "read"
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khanna06ananya
I’m facing a similar issue
I recently started using eGMAT and will be retaking the exam on Jan 8 most probs
Got a 615 on my prev attempt
Need to somehow bring it up to 705 minimum
How can I optimise my prep plan?
what’s your score breakdown at the moment?
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Half of the competition is over, and the whole other half is still to come.

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Quote:

To fix conceptual gaps, the easiest solution is to subscribe to a test prep company.

To fix behavioral gaps, you need lots of practice.
Understood, thanks for explaining this. I never really understood what conceptual and behavioral really mean, and what they imply in practice, so this really makes it clear.

I just had an official test last Friday, but I'm still working on evaluating the report. Do you mind if I share my evaluation with you here after its done and ask for your advice?

I got 535 and am targeting 645, so I believe your advice would be really useful Rishabh🙏
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