divisor of a

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divisor of a

by GmatKiss » Tue Aug 09, 2011 1:14 pm
If a and b are positive integers such that a/b = 2.86, which of the following must be a divisor of a?

a) 10
b) 13
c) 18
d) 26
e) 50
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by Gurpinder » Tue Aug 09, 2011 1:39 pm
GmatKiss wrote:If a and b are positive integers such that a/b = 2.86, which of the following must be a divisor of a?

a) 10
b) 13
c) 18
d) 26
e) 50
.86 = 86/100 --> 43/50
x/50=2.86
x=143

Only (B) is a divisor of 143

Hence (B)
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