Answer:
Rafiq exercised for\[\frac{660}{990}\]Rohit exercised for \[\frac{2}{3}\] Now, we have to compare \[\to \] and \[\frac{2\times 2}{3\times 2}=\frac{4}{6}\] Here, numerator of both fractions are same. We know that, if two fractions have same numerator, then the fraction having less denominator will be greater. \[\frac{2\times 3}{3\times 3}=\frac{6}{9}\] \[\frac{180}{360}\] Hence, Rohit exercised for a longer time.
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