The average age of A and B is 9 years 4 months and the average age of B and C is 4 years 8 months. Then what is the age difference between A and B.?
a)27/3 yrs
b)9.2 yrs
c)9.5 yrs
d)9.4 yrs
Answers
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Step-by-step explanation:
ANSWER
Total age of 3 boys =(25 × 3) years =75 years.
Ratio of their ages =3:5:7.
Age of the youngest = (75×
15
3
) years =15 years
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