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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