question_answer 30)

Rafiq exercised for \[\therefore \] of an hour while Rohit exercised for \[\frac{660}{990}=\frac{660\div 330}{990\div 330}=\frac{2}{3}\] of an hour. Who exercised for a longer time?

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.