41. 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
A.5 years B.20 years
C.10 years D.30 years
Answer: 20 years
Explanation: 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.
