SSC
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Numerical Ability
Ratio and Proportion
The ratio of the ages of Ram and Rahim 10 years ago was 1 : 3. The ratio of the their ages five years hence will be 2 : 3. Then the ratio of the their present ages is
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- Let 10 yr ago, ages of Ram and Rahim were x yr and 3x yr, respectively.
Then, present age of Ram = (x + 10) and present age of Rahim = (3x + 10)
According to the question,
x+10+5/3x+10+5=2/3
3x + 45 = 6x + 30
3x = 15
x = 5
Hence, required ratio
5+10/3*5+10=15/25
= 3 : 5 - 7 years agoHelpfull: Yes(0) No(1)
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