If the ratio of boys to girls in a class is 5:3 then which of the
following cannot be the number of children in that class?
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Step-by-step explanation:
Answer
Let the number of boys and girls be 5x and 3x.
Number of those who are passed in first class
=20%of5x+60%of3x
=(10020×5x)+(10060×3x)
=x+59x
=514x
Then, required percentage
=(514x×(5x+3x)1×100)%
=514x×8x100%
=35%
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