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Question

Age of arun is 4 times as his son's age .Before 5 years arun age is 9 times his sons age .Find the present age

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Solution

Dear student
Let the age of Arun's son be x yearsThen Age of Arun will be 4x years5 years ago:Arun's son's age will be x-5yearsArun's age will be 4x-5yearsA.T.Q4x-5=9x-54x-5=9x-459x-4x=45-55x=40x=8So, Arun's son's present age will be 8 yearsand Arun's present age will be =4×8=32 years
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