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4.Principles of Inheritance and Variation
medium
A couple has $6$ children-$5$ are girls and $1$ is boy. The percentage of having a girl on next time is
A
$10\, \%$
B
$20\, \%$
C
$50\, \%$
D
$100\, \%$
Solution
Determination of sex of each child is an independent and exclusive event so the probability that whether the child will be a boy or a girl is $50\, \%$ each in every case.
Standard 12
Biology
