Subject
Quantitative Aptitude
Topic
Average
The average age of the boys in a class is 16 years and that of the girls is 15 years. The average age for the whole class is :
The average age of the boys in a class is 16 years and that of the girls is 15 years. The average age for the whole class is :
ক)
15খ)
20গ)
21ঘ)
data inadequateExplanation
Clearly, to find the average, we ought to know the number of boys, girls or students in the class, neither of which has been given. So, the data provided is inadequate.Related questions
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