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Compilation of tips and tricks to deal with remainders.

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Re: Compilation of tips and tricks to deal with remainders. [#permalink]

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New post 08 Jul 2017, 17:53
great article. A suggestion - if you could add some examples of questions for each principle, it would be great for retention of the material. Thanks.

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Compilation of tips and tricks to deal with remainders. [#permalink]

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kisna72 wrote:
great article. A suggestion - if you could add some examples of questions for each principle, it would be great for retention of the material. Thanks.


Check the links below:

Remainders



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Re: Compilation of tips and tricks to deal with remainders. [#permalink]

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New post 21 Oct 2017, 02:06
ctrlaltdel wrote:
If s and t are positive integer such that s/t=64.12, which of the following could be the remainder when s is divided by t?
(A) 2
(B) 4
(C) 8
(D) 20
(E) 45

Ans: Using the technique: remainder = 0.12*t => the answer is multiple of 12. but none of the options match...did i miss something or is my understanding wrong :oops :stupid


I tried with below approach in all type of above Q and i solved it each time within secs.
Let's see .

given : s/t = 64.12
consider only 0.12
so 0.12=12/100 = 3/25. Now what we have to do is to find the multiple of 3 in given Ans. There will be one correct ans which will satisfy the Q. Hence , here only 45 is the multiple of 3 ...so that's the ans.

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Re: Compilation of tips and tricks to deal with remainders.   [#permalink] 21 Oct 2017, 02:06

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