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Set 23 Q15

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Set 23 Q15

by kv_ajay » Mon Aug 25, 2008 9:56 pm
Which of the following fractions has a decimal equivalent that is a terminating decimal?
A.
189/10
B.
196/15
C.
225/16
D.
144/25
E.
128/39

Any easy method to solve this, otherwise i will need calcuator
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by parallel_chase » Mon Aug 25, 2008 10:44 pm
Pls refer to below link
Last edited by parallel_chase on Tue Aug 26, 2008 1:21 am, edited 1 time in total.
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by Ian Stewart » Tue Aug 26, 2008 12:47 am
A, C and D are all terminating decimals, which makes this a bizarre question because it has three correct answers. That doesn't happen on the GMAT. An explanation of the method can be found here (end of the first page of posts):

www.beatthegmat.com/terminating-decimal-t11910.html

[edited to fix the link- thanks, pepeprepa!]
Last edited by Ian Stewart on Tue Aug 26, 2008 1:20 am, edited 1 time in total.
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by pepeprepa » Tue Aug 26, 2008 1:09 am
Link on the method to know whether terminating decimal or not.
https://www.beatthegmat.com/terminating- ... html#68997
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