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

The average age of a couple at the time of their marriage was 25 years. Now, after 8 years, they have a 3-year old daughter. What is the average age of the family now?

  1. 23 years

  2. 21 years

  3. 69 years

  4. 23.5 years

  5. 20 years
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

At marriage, the couple's average age was 25, so their total was 50. After 8 years, each parent has aged 8 years, so their total age is 50 + 16 = 66. Adding the 3-year-old daughter, the total family age is 69, and the average of 3 people is 69 / 3 = 23.

Multiple choice

Directions: The following problem consists of a question and three statements. You have to find out which of the statements is/are redundant for determining the answer of the given question or can be dispensed with. What will be the ratio of Rahul and Prem's ages after 20 years? (i) The ratio of Rahul's and Prem's present ages is 7 : 8. (ii) After 4 years, the ratio of the ages of Rahul and Prem will be 8 : 9. (iii) 4 years ago, the ratio of the ages of Rahul and Prem was 6 : 7.

  1. Only (i) and (ii)

  2. Only (ii) and (iii)

  3. Any two of three

  4. Any one of three

  5. Only (iii)
Reveal answer Fill a bubble to check yourself
D Correct answer