There are 60 students in a class , out of them 40 are boys , At a particular day  4 girls are  absent in the class. The probability of selecting a girl on that day will be.
a. 2/7     b.4/9   c. 12/7   d.  none 

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Aptitude
There are 60 students in a class , out of them 40 are boys , At a particular day  4 girls are  absent in the class. The probability of selecting a girl on that day will be.a. 2/7     b.4/9   c. 12/7   d.  none