Subject
Quantitative Aptitude
Topic
Age
A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present?
A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present?
ক)
32 yearsখ)
36 yearsগ)
40 yearsঘ)
48 yearsExplanation
Let the mother's present age be x years. Then, the person's present age ={(2/5) x} years. So, (2x/5) +8 =(1/2)(x+8) => 2(2x + 40) = 5(x + 8) => x = 40.Related questions
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