A man is 28 years older than his son. After 10 years, he will be thrice as old as his son. Find their present age.
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Let the present age of the man's son be x years.
Then,the man's present age will be (x + 28) years.
After ten years,
Son's age = (x + 10) years.
Man's age = (x+28+10)years.
According to the question,
(x+38)=3(x+10)
=>x+38=3x+30
=>38-30=3x-x
=>8 = 2x
=>8/2 = x
=> x = 4
Therefore,the present age of Son = 4
And the present age of the man = 4+28 = 32
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