Quantitative Aptitude

Problems on Ages

346 Questions

Problems on Ages involve calculating current, past, or future ages using ratios, averages, and simple equations. These questions are a regular feature in the arithmetic section of most competitive exams. Practicing these problems helps improve calculation speed and accuracy for time management during tests.

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Problems on Ages Questions

Multiple choice

How old is the solar system?

  1. About 4.6 billion years

  2. About 10 billion years

  3. About 15 billion years

  4. About 20 billion years
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The solar system is estimated to be about 4.6 billion years old, based on radiometric dating of meteorites and lunar samples.

Multiple choice

What is the current full retirement age (FRA) for people born in 1960 or later?

  1. 66

  2. 67

  3. 68

  4. 69
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The full retirement age for people born in 1960 or later is 67.

Multiple choice

If you were born in 1954, what is your full retirement age?

  1. 65

  2. 66

  3. 67

  4. 68
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The full retirement age for people born in 1954 is 66.

Multiple choice

How old was Ramanujan when he died?

  1. 32

  2. 33

  3. 34

  4. 35
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ramanujan died at the age of 32.

Multiple choice

What is the relationship between the pulsation period of a star and its age?

  1. Pulsation period is proportional to age

  2. Pulsation period is inversely proportional to age

  3. Pulsation period is independent of age

  4. Pulsation period is proportional to the square of age
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The pulsation period of a star is proportional to its age. This is because older stars have evolved to a stage where they are more likely to pulsate.

Multiple choice

What was the average age of marriage for men and women in Medieval India?

  1. 12-14 years for men and 10-12 years for women

  2. 16-18 years for men and 14-16 years for women

  3. 20-22 years for men and 18-20 years for women

  4. 25-27 years for men and 23-25 years for women
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The average age of marriage for men and women in Medieval India was relatively young. This was due to a number of factors, including the high mortality rate and the desire to have children as soon as possible.

Multiple choice

What is the approximate age of the universe?

  1. 13.8 billion years

  2. 10 billion years

  3. 6 billion years

  4. 4.5 billion years
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The approximate age of the universe is estimated to be 13.8 billion years. This is based on measurements of the cosmic microwave background radiation and other cosmological observations.

Multiple choice

According to the 2011 Census of India, what is the average life expectancy for men and women in the country?

  1. Men: 64 years, Women: 68 years

  2. Men: 68 years, Women: 72 years

  3. Men: 72 years, Women: 76 years

  4. Men: 76 years, Women: 80 years
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The 2011 Census of India reported an average life expectancy of 64 years for men and 68 years for women.

Multiple choice

What is the Dalai Lama's current age?

  1. 85

  2. 86

  3. 87

  4. 88
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Dalai Lama's current age is 87.

Multiple choice

The ideal age for marriage for a boy in ancient India was:

  1. 16-18 years

  2. 20-22 years

  3. 24-26 years

  4. 28-30 years
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Boys in ancient India were typically married at a slightly older age than girls, usually between 20 and 22 years old.

Multiple choice

How does divided attention change as we age?

  1. Divided attention improves as we age.

  2. Divided attention declines as we age.

  3. Divided attention remains the same as we age.

  4. Divided attention is not affected by age.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Divided attention declines as we age due to changes in the brain.

Multiple choice

At what age did Johann Sebastian Bach die?

  1. 65

  2. 70

  3. 75

  4. 80
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bach died on July 28, 1750, at the age of 65.

Multiple choice

How old is the Cosmic Web?

  1. It is about 13.8 billion years old

  2. It is about 4.6 billion years old

  3. It is about 1 million years old

  4. It is about 100 years old
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Cosmic Web is about 13.8 billion years old. This is the same age as the universe.

Multiple choice

What is the oldest age at which someone has received an Academy Honorary Award?

  1. 80

  2. 85

  3. 90

  4. 95
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ennio Morricone was the oldest person to receive an Academy Honorary Award at the age of 95 in 2021.

Multiple choice

What is the approximate age of the universe?

  1. 10 billion years

  2. 13.8 billion years

  3. 15 billion years

  4. 20 billion years
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The universe is estimated to be about 13.8 billion years old.