In a class, ratio of boys to girls is $3:5$. If there are $40$ students, number of girls is

In a class, ratio of boys to girls is $3:5$. If there are $40$ students, number of girls is
  1. $25$
  2. $15$
  3. $20$
  4. $30$

Solution

$3k + 5k = 8k = 40 \Rightarrow k = 5$. Girls $= 5k = 25$.

Asked in: MH-SSC-9

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