Question
If the ratio of number of boys and girls present in the
playground is 5:4. 10 boys left the playground, leaving total number of girls same as the boys playing in the playground. Find the difference between total number of girls and boys present initially.Solution
Let, Number of boys initially = 5x
Number of girls initially = 4x
When, 10 boys left the playground, leaving total number of girls same as the boys playing in the playground
(5x - 10) = 4x
x = 10
So the difference between number of boys and girls is present initially is 10
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