The ratio between the ages of a and b at present is 2:3 five years hence the ratio of their ages will be 3:4 what is the present age of a
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Let the present ages of A and B be x and y respectively.
According to first condⁿ
(always try to get denominators in factors of 2, 5 or 10)
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• Let present age of a be "2M" years and present age of b be "3M" years.
Five years hence,
- Age of a = 2M + 5
- Age of b = 3M + 5
》 Five years hence, ratio of their ages becomes 3:4.
According to question,
Cross multiply them
So,
Present age of a =
years
Present age of b =
years
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Present age of a = 10 years.
____________ [ ANSWER ]
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☆ VERIFICATION :
From above calculations we have M = 5
Put value of M in this :
=>
=>
=>
=>
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