The average age of students in section A of 50
students is 14 years & the average age of
students of in section B of 30 student is 6 years.
Find the average age of students in both
sections?
(a) 15
(b) 42
(c) 24
(d) 11
Answers
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4
Answer:
option d.11 years
Step-by-step explanation:
average age in section A of 50 students =14years
total age of 50 students =50×14=700
average age in section B of 30 students =6years
total age of 30 students =30×6=180
average age of both sections =(700+180)÷(50+30)
880÷80
average age of both sections =11years
hope it helps you if any doubt ask
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