Arithmetic Aptitudes › Problems on Ages › Question #4386
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QThe ages of Nishi and Vinnee are in the ratio 6:5 respectively. After 9 years, the ratio of their ages will be 9: 8. What is the difference in their ages now?

ID: #4386 Problems on Ages 279 views
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#4386Q ID
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Problems on AgesTopic
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  • A 3 years ✔ ✖
  • B 5 years ✔ ✖
  • C 7 years ✔ ✖
  • D 9 years ✔ ✖
Correct Answer: Option A

Explanation

Let Nishi's age be 6x years. Then, Vinnee's age = 5x years.
6x +9 / 5x+9 = 9/8
⇒ 8 (6x+9)= 9 (5x+9)
48x - 45x = 81 - 72
3x = 9
⇒x= 3.

Difference in their ages = (6x - 5x) = x years = 3 years.

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