Quantitative Aptitude

Problems on Ages

1,744 Questions
All Translate multiples, fractions, and percentages 518 Use two ratios from different dates 500 Convert an age ratio into actual ages 258 Handle averages and changing groups 167 Generational age chains 111 Recognize equal age gaps 101 Product of ages 68 Ages in arithmetic progression 11 Division of lifespan 9

Problems on Ages Questions

Multiple choice

A couple has a son and a daughter. The age of the father is four times that of the son and the age of the daughter is one-third of that of her mother. The wife is 6 years younger to her husband and the sister is 3 years older than her brother. The mother's age is ?

  1. 48 years

  2. 42 years

  3. 54 years

  4. 63 years

  5. None
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

F = 4S. D = M/3. W = F - 6. D = S + 3. Substitute D: (S + 3) = M/3 => M = 3S + 9. F = 4S. W = 4S - 6. Since W = M, 4S - 6 = 3S + 9 => S = 15. F = 60. W = 60 - 6 = 54.