The ratio of the ages of father and son at present is 6: 1. After 5 years the ratio will become 7:2. Find the present age of the son?
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Let the present age of father and son be F and S. Therefore,
F/S = 6/1
F = 6S ….(1)
and after 5 years
(F+ 5)/(S+5) = 7/2
2F + 10 = 7S + 35
2(6S) + 10 = 7S + 35 [From (1)]
12S + 10 = 7S + 35
5S = 25
S = 5 years
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F/S = 6/1
F = 6S ….(1)
and after 5 years
(F+ 5)/(S+5) = 7/2
2F + 10 = 7S + 35
2(6S) + 10 = 7S + 35 [From (1)]
12S + 10 = 7S + 35
5S = 25
S = 5 years
6.3K viewsView upvotes
4
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btw Ramzan mubarak in advance.
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