Age of father is three times the the age of Son after 5 years father age will be 2 and half times the age of son find ages of father and son
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let the age of father be 'f'
and the age of son be 's'
then,
f=3s.......... (1)
aftre 5 years
f+5=2 1/2×(s+5)
f+5=5/2 (s+5)
2 (f+5)=5 (s+5)
2f+10=5s+25
from (1)
2 (3s)+10=5s+25
6s+10=5s+25
6s-5s=25-10
s=15
then f=15×3=45
and the age of son be 's'
then,
f=3s.......... (1)
aftre 5 years
f+5=2 1/2×(s+5)
f+5=5/2 (s+5)
2 (f+5)=5 (s+5)
2f+10=5s+25
from (1)
2 (3s)+10=5s+25
6s+10=5s+25
6s-5s=25-10
s=15
then f=15×3=45
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