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A few tricks to solve remainder problems fast.

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Intern
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Joined: 05 Jul 2015
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Location: India
Concentration: Entrepreneurship, General Management
GMAT 1: 720 Q48 V40
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A few tricks to solve remainder problems fast. [#permalink]

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New post 26 Jan 2016, 03:18
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Time is always difficult to manage of the GMAT, especially in Quants. I've noticed that knowing a few tips and formula can speed up your solving time in a few question and this could make a huge difference.


[you-tube]https://www.youtube.com/watch?v=OX5_yYBQZ_Y&ab_channel=DineshMiglani
[/you-tube]
This video explains the remainder theorem really well and while it's not essential to know the remainder theorem, it can make solving questions on remainders ridiculously easy!
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A few tricks to solve remainder problems fast. [#permalink]

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New post 05 Feb 2016, 01:22
Expert's post
icefrog wrote:
Time is always difficult to manage of the GMAT, especially in Quants. I've noticed that knowing a few tips and formula can speed up your solving time in a few question and this could make a huge difference.


[you-tube]https://www.youtube.com/watch?v=OX5_yYBQZ_Y&ab_channel=DineshMiglani
[/you-tube]
This video explains the remainder theorem really well and while it's not essential to know the remainder theorem, it can make solving questions on remainders ridiculously easy!


My View:

1) Remainder problems is not an important part for GMAT preparation. It has hardly been asked in GMAT as reported by students

2) There is no specific approach that needs to be learnt to be more efficient at GMAT. The concept behind remainder is none other than CYCLICITY that we use to find unit digit of any number.

So my advise is, If you are a GMAT aspirant then better focus on more fundamental ways of solving questions rather than focussing on learning Micro concepts in a standrad form using formulas etc.

GMAT doesn't expect from students to know more than 25 formulas and most of those needed formulas are used by GEOMETRY topic alone.

I hope this helps!!!

I have not seen the video but no doubts that would be good if you say so. :)
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Re: A few tricks to solve remainder problems fast. [#permalink]

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New post 06 Feb 2016, 08:06
Yes well !! we all know that GMAT doesn't expect you to know formulas but let's be honest formulas help you go faster on problems.
in 2 minutes you don't have the time to think about how to solve the problem. You need to read it and begin to solve . If you have never seen this kind of question you have to think about the best way to solve it and here is the end of your 2mn.
Gmat questions are not intrinscally difficult. It's the lack of time that makes it hard. So every technique that helps you with time is good for me ,and the video is really good. Thank you for sharing it.
Re: A few tricks to solve remainder problems fast.   [#permalink] 06 Feb 2016, 08:06
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A few tricks to solve remainder problems fast.

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