Math, asked by bishalkamila, 11 months ago

34. The sum of the ages of a man and his son is 45
years. Five years ago, the product of their ages was
34. The man's age is
(a) 40 years
(b) 45 years
(c) 50 years
(d) 55 years
(e) None of these

35. The ratio of a man's age and his son's age is 7:3
and the product of their ages is 756. The ratio of
their ages after 6 years will be
(a) 5:2
(b) 2:1
(c) 11:7
(d) 13:9
(e) None of these

Answers

Answered by pp7733001502

both ansewr is none of this

Answered by Anonymous

Answer :D

(1). None of these

(2). Let the present ages of the father and son be 7x and 3x years respectively

Then, 7x * 3x = 756 <=> 21x2 = 75

<=> x2 = 36 <=> x = 6

Required ratio = (7x + 6) : (3x + 6) = 48 : 24 = 2 : 1.

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