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anonymous
 5 years ago
Which of the following numbers will always divide a 5digit number of the form xy0xy, where 'x' can take values from 1 to 9 and 'y' can take values from 0 to 9?
I. 143
II. 77
III. 93
A. I only
B. I and II only
C. II and III only
D. I and III only
E. I, II and III
anonymous
 5 years ago
Which of the following numbers will always divide a 5digit number of the form xy0xy, where 'x' can take values from 1 to 9 and 'y' can take values from 0 to 9? I. 143 II. 77 III. 93 A. I only B. I and II only C. II and III only D. I and III only E. I, II and III

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0no guys m new ..joined this blog yestday

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0i know its not 93 because 10010/93 is not an integer

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0when i do 10011/143, its not an integer and neither is 10011/77 so it would be none of these, but that doesnt look like an option

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0how could it be any of the above when 10011/k does not give an integer where k=77,93,143.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0http://www.4gmat.com/prep_courses/sample_quiz/Number_Theory/question_2.shtml I got this question frm here...

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0do you know if you go to the last question it gives you an option to see the answer and explanation of each problem

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0oh i see ok yeah 10011 wouldnt be a number of concern because I changed the second x

nowhereman
 5 years ago
Best ResponseYou've already chosen the best response.0Ok, here is how you solve: Explicitly write down what number xy0xy is (think positional notation), factorize it and see which factor occurs independently form x and y.
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