Hi All,
Does anyone have (or come across) a list of formulae/shortcuts which can be applied when answering questions in the Math section of the GMAT.
Covering areas such as:
Arithmetic progression -
We know that in an A.P, 'l' the last term is given by l = a + (n - 1) * d, where 'a' is the first term, 'n' is the number of terms of the series and 'd' is the common difference.
This can be used when answering the following question:
How many 3 digit positive integers exist that when divided by 7 leave a remainder of 5?
Was wondering whether someone had a list of these type of things, for all the areas of the GMAT Math ?
Thanks.
II
List of formulae or shortcuts for Math
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Someone wrote a post with a pretty thorough list in the past, I'd do some searching. You can also get an overview of formulas from the flashcards--I hope you've downloaded them!
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yes we all need it .. we all need a list of formulas and tricks ...for maths ... and if anyone can post for verbal also .. i mean all do and donts
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This is good, and serves as an excellent overview of the topics which you should be looking to master. Covers the scope of the GMAT Math section pretty well.beatthegmat wrote:Old post: https://www.beatthegmat.com/thought-this ... html#11265
However, I was just confused about the following 3:
22. Commutative property of multiplcation
23. Distributive property of multiplication
24. Associative property of multiplication
Are items 23 and 24 referring to distributive (e.g. a(b+c) = ab +ac) and associative law (a x b x c = c x b x a) ?
And what is 22. Commutative property of multiplication ???
Thanks.
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A quick commutative property explanation I found: https://www.europa.com/~paulg/mathmodels ... ative.html
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