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If Twice the son's age is …

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If Twice the son's age is added to father's age the sum is 70. If twice the father's age is added to the son's age the sum is 95

Posted by Kushagra Kasera 5 years, 7 months ago

CBSE > Class 10 > Mathematics

4 answers

Arjun Kashyap 5 years, 7 months ago

Equating eq (३) and eq(4),we get, 2x=30=> x=15 years and y=40years

Arjun Kashyap 5 years, 7 months ago

Adding and subtracting eq(1) and eq (2) 3x+3y=165 => x+y=55...(3), x-y=-25...(4)

Arjun Kashyap 5 years, 7 months ago

Let the son's age be x years। | And father's age be y years ।। A/q 2x+y=70...(1) || x+2y=95...(2)

A & ??S L V 5 years, 7 months ago

Hii

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