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The sum of the present ages …

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The sum of the present ages of the father and his daughter is 42 years.7 years later,the father will be 3 times old than the daughter.What is the present age of the father

Posted by Nija Sabu 5 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Aditya Aggarwal 5 years, 11 months ago

Let the present age of father be x And present age of aughter be y Eq. X+Y=42 7 year later age of father be x+7 Daughter y+7 Eq. (X+7)=3(y+7) X+7=3y+21 So, x-3y=14 These are 2 eq. By applying any method now u can find the values

0Thank You

Abhilasha Rajput 5 years, 11 months ago

Age of father is35 and age of daughter is7

0Thank You

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CBSE > Class 10 > Mathematics