The avarge boys of 15 years. If their ages aur in the ratio 3:5:7 find the age of youngest boy?
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Average age of the 3 boys = 15 years old
Total age of the 3 boys = 15 x 3 = 45 years old
Ratio of their age = 3 : 5 : 7
Total parts = 3 + 5 + 7 = 15
15 parts = 45 years old
Find 1 part:
1 part = 45 ÷ 15 = 3
Find 3 parts (youngest boy):
3 parts = 3 x 3 = 9 years old
Answer: 9 years old
Rajajhakas:
Thank you bhai
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