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DS set 10,q 25

Expert replies
by emrahinci » Fri Oct 05, 2007 10:02 am
Any decimal that has only a finite number of nonzero digits is a terminating decimal. For example, 24, 0.82, and 5.096 are three terminating decimals. If r and s are positive integers and the ratio r/s is expressed as a decimal, is r/s a terminating decimal?
(1) 90 < r < 100
(2) s = 4
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Source: — Data Sufficiency |