3. Average age of 8 persons increased
by 2 years, when two men whose
ages are 20 and 24 years are
replaced by two women. What is
the average age of women?
(a) 30 years
(c) 28 years
(b) 31 years
(d) 33 years
Answers
Answered by
0
Answer:
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Answered by
2
Answer:
(a) 30
Explanation:
when 2 women come they will increase the average by 2
which means sum of ages will increase by 16
women's ages sum = 20+24+16
= 60
average of women age = 60/2 = 30
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