The average age of boys in class is 16.66, while the average
age of girls is 18.75. Thus the average age of all the 40
students of the class is 17.5. If the difference between the no.
of boys and girls is 8, then the no. of girls in the class is :
( Solve it by alligation method please)
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Latest TCS Aptitude Question SOLUTION: The average age of all boys in the class is 16.66,while the average age of all girls in the same class is 18.75. Thus the average marks of all 40 students in the class is 17.5.
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