Flashcard 9 - Mathematics: Quantitative Reasoning Flashcard Set for the TSIA2
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C
Explanation:
Let’s compare the numbers:
A. To compare two fractions, we need to find their common denominator and do the comparison.
\[\frac{1}{3} \times \frac{2}{2} = \frac{2}{6}\]Thus, \(\frac{2}{6} < \frac{5}{6}\) and this choice isn’t true.
B. If we round the second number to two decimal places, we can see the comparison very easily: \(0.21\) compared with \(0.02\).
Of course, \(0.21 > 0.02\), so this choice isn’t true either.
C. To compare two fractions, we need to find their common denominator.
\[\frac{1}{5} \times \frac{2}{2} = \frac{2}{10}\]\(\frac{2}{10} < \frac{7}{10}\) is true, so choice C is correct.
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