Mr.Gupta's present age is six times his son's age . His son's age five years from now will be one third of Mr.Gupta's age. what are their present age.
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Let the weight of Mr. Gupta be 7a and Mrs. Gupta be 8a.
Their combined weight, 7a+8a=120=>15a=120=>a=8
Hence, weight of Mr. Gupta be 7a=56kg and Mrs. Gupta be 8a=64kg.
Reduced weight of Mr. Gupta =56kg−6kg=50kg
Let the new weight of Mrs. Gupta be 64−b kg where b is the reduction in her weight.
Given, their reduced weights are in the ratio 5:6
=>50:64−b=5:6
=>
64−b
50
=
6
5
300=320−5b
5b=20
b=4
Hence, Mrs.,Gupta's weight is reduced by 4kg
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