hey,
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here is the question:-
The ages of Arun and Rahul are in the ratio 7:5. Ten years hence, the ratio of their ages will be 9:7. Find their present ages.
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Answers
Answered by
1
Answer:
• Let present age of Arun be 7M and present age of Rahul be 5M.
» 10 years later
• Age of Arun = 7M + 10
• Age of Rahul = 5M + 10
» Also said that after 10 years.. ratio of their ages will be 19:15
A.T.Q.
=> =
Cross-multiply them
=> 15(7M + 10) = 19(5M + 10)
=> 105M + 150 = 95M + 190
=> 105M - 95M = 190 - 150
=> 10M = 40
=> M = 4
_____________________________
Present age of Arun = 7M = 7(4) = 28 years
Present age of Rahul = 5M = 5(4) = 20 years.
____________
_____________________________
✡ Put value of M in this equation =
=> =
=> =
=> =
=> =
__________ [HENCE VERIFIED]
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Answered by
0
Answer:
Ages of Arun and Rahul =7:5
Ten years from now=9:7 sorry I forgot
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