What is the age of father, if the sum of the ages of a father and his son in years is 65 & twice the difference of their ages in years is 50?
(a) 40 years (b) 45 years (c) 55 years (d) 65 years
Last updated at Sept. 9, 2021 by
Transcript
Question 31 What is the age of father, if the sum of the ages of a father and his son in years is 65 & twice the difference of their ages in years is 50? (a) 40 years (b) 45 years (c) 55 years (d) 65 years Let Age of father = x years Age of son = y years Given that sum of the ages of a father and his son in years is 65 x + y = 65 Also, twice the difference of their ages in years is 50 2(x − y) = 50 x − y = 25 Adding (1) and (2) (x + y) + (x − y) = 65 + 25 2x = 90 x = 90/2 x = 45 Thus, Age of father = x = 45 years So, the correct answer is (b)
CBSE Class 10 Sample Paper for 2022 Boards - Maths Basic [MCQ]
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CBSE Class 10 Sample Paper for 2022 Boards - Maths Basic [MCQ]
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