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Q)

A father is 30 years older than his son. He will be three times as old as his son after 5 years. What is the father's present age?


( A ) 30
( B ) 35
( C ) 40
( D ) 45

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A)
Let son's age be x Father's age = x + 30 After 5 years x + 30+ 5 = 3(x+ 5) x + 35 = 3x + 15 2x = 20 x = 10 Father's age =10 + 30 = 40
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