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The sum of present age of father and his sun is 45. The product of fathers age two years ago and son age three years 3 years hence will be 304 find their present age |
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Answer» Step-by-step EXPLANATION: LET the present age of SON be 'x' yes the present age of father =45-x yrs Now,A/q =>(45-x-2) ×(x+3)=304 =>(43-x ) ×(x+3)=304 => 43x +129 -x2 -3x =304 =>40x-x2 =304-129 =>40x-x2=175 =>-x2+40x-175=0 => -x2+35x+5x-175=0 =>-x(x-35) +5(x-35)=0 =>(5-x)(x-35)=0 =>5-x=0 or x-35 =0 =>x=5 or x=35 we neglect x=35 bcz son can't be OLDER than father Hence age of son =5yrs and age of father =45-5 =40yrs |
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