6 years hence a man's age will be 3 times his son's age and three years ago he was nine times as old as his son. find their present ages?
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son’s age is 6 and father’s age is 30.
Given:
3 years ago,a man’s age was 9 times as old as his son.
Also,man’s age will be 3 times his son’s age 6 years later.
To find:
Present age of son and father =?
Solution:
Let the son’s present age be ‘x’,man’s age be ‘y’
Then,
Also,
(1)– (2) gives
from (1)
Therefore,the man’s present age is 30 and the son’s present age is 6.
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