The number of pupils of a class is 55 The ratio of the number of male pupils to the number of female...........

Quantitative Aptitude (CGL) Ratio, Proportion

The number of pupils of a class is 55. The ratio of the number of male pupils to the number of female pupils is 5: 6. The number of female pupils is

The number of Female pupils = [6/(6 +5) ]* total population of class;
= 6 * 55/11 = 30;

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