Arithmetic Aptitude - Problems On Age - Discussion

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Q.

Ten years ago, Chandrawati s mother was four times older than her daughter. After ten years, the mother will be twiceoIder than daughter. Thepresent age of Chandrawati is ?                          [Bank P.O 1990]
A. 5 years B. 20 Years
C. 10 Years D. 30 Years

Answer: Option B
Explaination:

 


Let Chandrawatis age 10 years ago is x years.


Her mothers age 10 years ago 4x.

(4x+10)+10=2(x+10+10) or 2x=20 or x=10.

Present age of Chandrawati (x + 10) = 20 years.


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