A person rsquo s present age is two ninth of the age of his mother After 10 years he will be four el...........

Quantitative Aptitude ( CCS) Problems based on Ages

A person’s present age is two-ninth of the age of his mother. After 10 years, he will be four-eleventh of the age of his mother. How old is the mother after 15 years?

48yrs

60yrs

55yrs

53yrs

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Explanation:

Solution:
Present ratio P:M ==>2:9
After 10years P:M=4:11
Then
(2x+10)/(9x+10) = 4/11
22x+110=36x+40
X=5.
Then Mother’s present age=9*5=45yrs.
After 15 yrs Mother’s age is=60yrs.