The father’s age is six times his son’s age. Four years hence, the age of the father will be four times his son’s age. The present ages, in years, of the son and the father are, respectively
(A) 4 and 24 (B) 5 and 30
(C) 6 and 36 (D) 3 and 24

NCERT Class X
Mathematics - Exemplar Problems

Chapter _PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

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Answers

2015-06-09T19:26:57+05:30
Let ages of father and son be 6x years and x years respectively.

So, 6x + 4 = 4(x+4)
or, 6x + 4 = 4x + 16
or, 2x = 12
or, x = 6
So, 6x = 6*6 = 36

Answer:- (C) - 6 and 36
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