remainder problems

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remainder problems

by quantskillsgmat » Thu Dec 29, 2011 10:34 pm
I have doubt on reaminder questions can experts help me
Q Find remainder when 784 divided by 342
a)0 b)1 c)49 d)341
Q If N =1421x1423x1425.what is remainder when N is divided by 12
a)0 b)9 c)3 d)6
Q integers 34041 and 32506 when divided by three digit integer n leaves same remainder.what is n.
a)289 b)367 c)453 d)307
Q when 2256 is divided by 17 remainder would be
a)1 b) 16 c) 14 d)none.
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by arpan20690 » Thu Dec 29, 2011 11:04 pm
I am unable to get the options of the first question.
2) Rem[(x*y*z)/a]= Rem{Rem[x/a]*Rem[y/b]*Rem[z/a]}/a
apply this formula.
The Answer will be 3. You can use concept of negative remainder.