The average age of 5 person is 40 years while the average age of some other 10 persons is 25 years. Find the average age of all the 15 person.
a) 27 years
b) 32 years
c) 30 years
d) 35 year5
Answers
Answered by
1
Answer:
30 years
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Answered by
1
Answer:
c) 30 years is your answer
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