Question
In a school, ratio of male to female teachers is 1: 3
respectively. When 24 more female teachers joined the school, then this ratio becomes 2: 9 respectively. How many male teachers are there in the school?Solution
Let the initial number of male and female teachers are n and 3n respectively. Then,n: (3n + 24) = 2: 99n = 6n + 483n = 48n = 16
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