Aptitude Problems on Ages Online Test, Free Aptitude Quiz
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Aptitude Problems on Ages Online Test, Free Aptitude Quiz, Online Aptitude Problems on Ages Test. Aptitude Problems on Ages Question and Answers 2021. Aptitude Problems on Ages Quiz. Aptitude Problems on Ages Free Mock Test 2021. Aptitude Problems on Ages Question and Answers in PDF. The Aptitude Problems on Ages online mock test paper is free for all students.The below Aptitude questions and answers can improve your skills in order to face the Interview, Competitive examination, Govt Exams and various entrance test with full confidence. Aptitude online test is very useful for exam preparation and getting for Rank. Aptitude Problems on Ages Question and Answers in Hindi and English. Aptitude Problems on Ages Mock test for topic via Online Mode. Here we are providing Aptitude Problems on Ages Mock Test in Hindi. Now Test your self for “Aptitude Problems on Ages Online Test in Hindi” Exam by using below quiz…
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Question 1 of 20
1. Question
Father is aged three times more than his son Ronit. After 8 years, he would be two and a half times of Ronit’s age. After further 8 years, how many times would he be of Ronit’s age?
Correct
Let Ronit’s present age be x years. Then, father’s present age =(x + 3x) years = 4x years.
∴ (4x + 8) = 5/2 (x + 8)
⇒ 8x + 16 = 5x + 40
⇒ 3x = 24
⇒ x = 8.
Hence, required ratio = (4x+16) / (x+16) = 48/24 = 2.Incorrect
Let Ronit’s present age be x years. Then, father’s present age =(x + 3x) years = 4x years.
∴ (4x + 8) = 5/2 (x + 8)
⇒ 8x + 16 = 5x + 40
⇒ 3x = 24
⇒ x = 8.
Hence, required ratio = (4x+16) / (x+16) = 48/24 = 2. 
Question 2 of 20
2. Question
The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?
Correct
Let the ages of children be x, (x + 3), (x + 6), (x + 9) and (x + 12) years.
Then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 50
⇒ 5x = 20
⇒ x = 4.
∴ Age of the youngest child = x = 4 years.Incorrect
Let the ages of children be x, (x + 3), (x + 6), (x + 9) and (x + 12) years.
Then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 50
⇒ 5x = 20
⇒ x = 4.
∴ Age of the youngest child = x = 4 years. 
Question 3 of 20
3. Question
A father said to his son, “I was as old as you are at the present at the time of your birth”. If the father’s age is 38 years now, the son’s age five years back was:
Correct
Let the son’s present age be x years. Then, (38 – x) = x
⇒ 2x = 38.
⇒ x = 19.
∴ Son’s age 5 years back (19 – 5) = 14 years.Incorrect
Let the son’s present age be x years. Then, (38 – x) = x
⇒ 2x = 38.
⇒ x = 19.
∴ Son’s age 5 years back (19 – 5) = 14 years. 
Question 4 of 20
4. Question
A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?
Correct
Let C’s age be x years. Then, B’s age = 2x years. A’s age = (2x + 2) years.
∴ (2x + 2) + 2x + x = 27
⇒ 5x = 25
⇒ x = 5.
Hence, B’s age = 2x = 10 years.Incorrect
Let C’s age be x years. Then, B’s age = 2x years. A’s age = (2x + 2) years.
∴ (2x + 2) + 2x + x = 27
⇒ 5x = 25
⇒ x = 5.
Hence, B’s age = 2x = 10 years. 
Question 5 of 20
5. Question
Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Anand’s present age in years?
Correct
Let the present ages of Sameer and Anand be 5x years and 4x years respectively.
Then, 5x+3 / 4x+3 = 11/9
⇒ 9(5x + 3) = 11(4x + 3)
⇒ 45x + 27 = 44x + 33
⇒ 45x – 44x = 33 – 27
⇒ x = 6.
∴ Anand’s present age = 4x = 24 years.Incorrect
Let the present ages of Sameer and Anand be 5x years and 4x years respectively.
Then, 5x+3 / 4x+3 = 11/9
⇒ 9(5x + 3) = 11(4x + 3)
⇒ 45x + 27 = 44x + 33
⇒ 45x – 44x = 33 – 27
⇒ x = 6.
∴ Anand’s present age = 4x = 24 years. 
Question 6 of 20
6. Question
A man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is:
Correct
Let the son’s present age be x years. Then, man’s present age = (x + 24) years.
∴ (x + 24) + 2 = 2(x + 2)
⇒ x + 26 = 2x + 4
⇒ x = 22.Incorrect
Let the son’s present age be x years. Then, man’s present age = (x + 24) years.
∴ (x + 24) + 2 = 2(x + 2)
⇒ x + 26 = 2x + 4
⇒ x = 22. 
Question 7 of 20
7. Question
Six years ago, the ratio of the ages of Kunal and Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sagar’s age at present?
Correct
Let the ages of Kunal and Sagar 6 years ago be 6x and 5x years respectively.
Then,(6x+6)+4 / (5x+6)+4 = 11/10
⇒ 10(6x + 10) = 11(5x + 10)
⇒ 5x = 10
⇒ x = 2.
∴ Sagar’s present age = (5x + 6) = 16 years.Incorrect
Let the ages of Kunal and Sagar 6 years ago be 6x and 5x years respectively.
Then,(6x+6)+4 / (5x+6)+4 = 11/10
⇒ 10(6x + 10) = 11(5x + 10)
⇒ 5x = 10
⇒ x = 2.
∴ Sagar’s present age = (5x + 6) = 16 years. 
Question 8 of 20
8. Question
The sum of the present ages of a father and his son is 60 years. Six years ago, father’s age was five times the age of the son. After 6 years, son’s age will be:
Correct
Let the present ages of son and father be x and (60 x) years respectively.
Then, (60 – x) – 6 = 5(x – 6)
⇒ 54 – x = 5x – 30
⇒ 6x = 84
⇒ x = 14.
∴ Son’s age after 6 years = (x+ 6) = 20 years..Incorrect
Let the present ages of son and father be x and (60 x) years respectively.
Then, (60 – x) – 6 = 5(x – 6)
⇒ 54 – x = 5x – 30
⇒ 6x = 84
⇒ x = 14.
∴ Son’s age after 6 years = (x+ 6) = 20 years.. 
Question 9 of 20
9. Question
At present, the ratio between the ages of Arun and Deepak is 4 : 3. After 6 years, Arun’s age will be 26 years. What is the age of Deepak at present ?
Correct
Let the present ages of Arun and Deepak be 4x years and 3x years respectively. Then,
4x + 6 = 26 ⇔ 4x = 20
x = 5.
∴ Deepak’s age = 3x = 15 years.Incorrect
Let the present ages of Arun and Deepak be 4x years and 3x years respectively. Then,
4x + 6 = 26 ⇔ 4x = 20
x = 5.
∴ Deepak’s age = 3x = 15 years. 
Question 10 of 20
10. Question
Sachin is younger than Rahul by 7 years. If their ages are in the respective ratio of 7 : 9, how old is Sachin?
Correct
Let Rahul’s age be x years.
Then, Sachin’s age = (x – 7) years.
∴ x7/x = 7/9
⇒ 9x – 63 = 7x
⇒ 2x = 63
⇒ x = 31.5
Hence, Sachin’s age =(x – 7) = 24.5 years.Incorrect
Let Rahul’s age be x years.
Then, Sachin’s age = (x – 7) years.
∴ x7/x = 7/9
⇒ 9x – 63 = 7x
⇒ 2x = 63
⇒ x = 31.5
Hence, Sachin’s age =(x – 7) = 24.5 years. 
Question 11 of 20
11. Question
The present ages of three persons in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years).
Correct
Let their present ages be 4x, 7x and 9x years respectively.
Then, (4x – 8) + (7x – 8) + (9x – 8) = 56
⇒ 20x = 80
⇒ x = 4.
∴ Their present ages are 4x = 16 years, 7x = 28 years and 9x = 36 years respectively.Incorrect
Let their present ages be 4x, 7x and 9x years respectively.
Then, (4x – 8) + (7x – 8) + (9x – 8) = 56
⇒ 20x = 80
⇒ x = 4.
∴ Their present ages are 4x = 16 years, 7x = 28 years and 9x = 36 years respectively. 
Question 12 of 20
12. Question
Ayesha’s father was 38 years of age when she was born while her mother was 36 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?
Correct
Mother’s age when Ayesha’s brother was born = 36 years.
Father’s age when Ayesha’s brother was born = (38 + 4) years = 42 years.
∴ Required difference = (42 – 36) years = 6 years.Incorrect
Mother’s age when Ayesha’s brother was born = 36 years.
Father’s age when Ayesha’s brother was born = (38 + 4) years = 42 years.
∴ Required difference = (42 – 36) years = 6 years. 
Question 13 of 20
13. Question
A person’s present age is twofifth of the age of his mother. After 8 years, he will be onehalf of the age of his mother. How old is the mother at present?
Correct
Let the mother’s present age be x years.
Then, the person’s present age = (2/5x)years.
∴ (2/5x+8) = 1/2(x+8)
⇒ 2(2x + 40) = 5(x + 8)
⇒ x = 40.Incorrect
Let the mother’s present age be x years.
Then, the person’s present age = (2/5x)years.
∴ (2/5x+8) = 1/2(x+8)
⇒ 2(2x + 40) = 5(x + 8)
⇒ x = 40. 
Question 14 of 20
14. Question
Q is as much younger than R as he is older than T. If the sum of the ages of R and T is 50 years, what is definitely the difference between R and Q’s age?
Correct
Given that:
1. The difference of age b/w R and Q = The difference of age b/w Q and T.
2. Sum of age of R and T is 50 i.e. (R + T) = 50.Question: R – Q = ?.
Explanation:
R – Q = Q – T
(R + T) = 2Q
Now given that, (R + T) = 50
So, 50 = 2Q and therefore Q = 25.
Question is (R – Q) = ?
Here we know the value(age) of Q (25), but we don’t know the age of R.
Therefore, (RQ) cannot be determined.Incorrect
Given that:
1. The difference of age b/w R and Q = The difference of age b/w Q and T.
2. Sum of age of R and T is 50 i.e. (R + T) = 50.Question: R – Q = ?.
Explanation:
R – Q = Q – T
(R + T) = 2Q
Now given that, (R + T) = 50
So, 50 = 2Q and therefore Q = 25.
Question is (R – Q) = ?
Here we know the value(age) of Q (25), but we don’t know the age of R.
Therefore, (RQ) cannot be determined. 
Question 15 of 20
15. Question
The age of father 10 years ago was thrice the age of his son. Ten years hence, father’s age will be twice that of his son. The ratio of their present ages is:
Correct
Let the ages of father and son 10 years ago be 3x and x years respectively.
Then, (3x + 10) + 10 = 2[(x + 10) + 10]
⇒ 3x + 20 = 2x + 40
⇒ x = 20.
∴ Required ratio = (3x + 10) : (x + 10) = 70 : 30 = 7 : 3.Incorrect
Let the ages of father and son 10 years ago be 3x and x years respectively.
Then, (3x + 10) + 10 = 2[(x + 10) + 10]
⇒ 3x + 20 = 2x + 40
⇒ x = 20.
∴ Required ratio = (3x + 10) : (x + 10) = 70 : 30 = 7 : 3. 
Question 16 of 20
16. Question
Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and
 Give answer (A) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
 Give answer (B) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
 Give answer (C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
 Give answer (D) if the data even in both Statements I and II together are not sufficient to answer the question.
 Give answer(E) if the data in both Statements I and II together are necessary to answer the question.
What is Sonia’s present age?
I. Sonia’s present age is five times Deepak’s present age.
II. Five years ago her age was twentyfive times Deepak’s age at that time.Correct
I. S = 5D D = S/5 ….(i)
II. S – 5 = 25 (D – 5) ⇔ S = 25D – 120 ….(ii)
Using (i) in (ii), we get S = (25 × S/5) – 120
⇒ 4S = 120.
⇒ S = 30.
Thus, I and II both together give the answer. So, correct answer is (E).Incorrect
I. S = 5D D = S/5 ….(i)
II. S – 5 = 25 (D – 5) ⇔ S = 25D – 120 ….(ii)
Using (i) in (ii), we get S = (25 × S/5) – 120
⇒ 4S = 120.
⇒ S = 30.
Thus, I and II both together give the answer. So, correct answer is (E). 
Question 17 of 20
17. Question
Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and
 Give answer (A) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
 Give answer (B) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
 Give answer (C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
 Give answer (D) if the data even in both Statements I and II together are not sufficient to answer the question.
 Give answer(E) if the data in both Statements I and II together are necessary to answer the question.
Average age of employees working in a department is 30 years. In the next year, ten workers will retire. What will be the average age in the next year?
I. Retirement age is 60 years.
II. There are 50 employees in the department.Correct
I. Retirement age is 60 years.
II. There are 50 employees in the department.
Average age of 50 employees = 30 years.
Total age of 50 employees = (50 x 30) years = 1500 years.
Number of employees next year = 40.
Total age of 40 employees next year (1500 + 40 – 60 x 10) = 940.
Average age next year = 940/40 years = 23.5 years.
Thus, I and II together give the answer. So, correct answer is (E).Incorrect
I. Retirement age is 60 years.
II. There are 50 employees in the department.
Average age of 50 employees = 30 years.
Total age of 50 employees = (50 x 30) years = 1500 years.
Number of employees next year = 40.
Total age of 40 employees next year (1500 + 40 – 60 x 10) = 940.
Average age next year = 940/40 years = 23.5 years.
Thus, I and II together give the answer. So, correct answer is (E). 
Question 18 of 20
18. Question
Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and
 Give answer (A) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
 Give answer (B) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
 Give answer (C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
 Give answer (D) if the data even in both Statements I and II together are not sufficient to answer the question.
 Give answer(E) if the data in both Statements I and II together are necessary to answer the question.
Divya is twice as old as Shruti. What is the difference in their ages?
I. Five years hence, the ratio of their ages would be 9 : 5.
II. Ten years back, the ratio of their ages was 3 : 1.Correct
Let Divya’s present age be D years and Shruti’s present age b S years
Then, D = 2 x S ⇔ D – 2S = 0 ….(i)
I. D + 5 / S + 5 = 9/5 ….(ii)
II. D – 10 / S – 10 = 3/1 ….(iii)
From (ii), we get : 5D + 25 = 9S + 45 ⇔ 5D – 9S = 20 ….(iv)
From (iii), we get : D – 10 = 3S – 30 ⇔ D – 3S = 20 ….(v)
Thus, from (i) and (ii), we get the answer.
Also, from (i) and (iii), we get the answer.
∴ I alone as well as II alone give the answer. Hence, the correct answer is (C).Incorrect
Let Divya’s present age be D years and Shruti’s present age b S years
Then, D = 2 x S ⇔ D – 2S = 0 ….(i)
I. D + 5 / S + 5 = 9/5 ….(ii)
II. D – 10 / S – 10 = 3/1 ….(iii)
From (ii), we get : 5D + 25 = 9S + 45 ⇔ 5D – 9S = 20 ….(iv)
From (iii), we get : D – 10 = 3S – 30 ⇔ D – 3S = 20 ….(v)
Thus, from (i) and (ii), we get the answer.
Also, from (i) and (iii), we get the answer.
∴ I alone as well as II alone give the answer. Hence, the correct answer is (C). 
Question 19 of 20
19. Question
Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.
What is Arun’s present age?
I. Five years ago, Arun’s age was double that of his son’s age at that time.
II. Present ages of Arun and his son are in the ratio of 11 : 6 respectively.
III. Five years hence, the respective ratio of Arun’s age and his son’s age will become 12 : 7.Correct
I. 5 years ago, Arun’s age = 2 x His son’s age.
II. Let the present ages of Arun and his son be 11x and 6x years respectively.
III. 5 years hence, Arun’s Age / Son’s age = 12/7
Clearly, any two of the above will give Arun’s present age.
∴ Correct answer is (D).Incorrect
I. 5 years ago, Arun’s age = 2 x His son’s age.
II. Let the present ages of Arun and his son be 11x and 6x years respectively.
III. 5 years hence, Arun’s Age / Son’s age = 12/7
Clearly, any two of the above will give Arun’s present age.
∴ Correct answer is (D). 
Question 20 of 20
20. Question
Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.
What is Ravi’s present age?
I. The present age of Ravi is half of that of his father.
II. After 5 years, the ratio of Ravi’s age to that of his father’s age will be 6 : 11.
III. Ravi is 5 years younger than his brother.Correct
I. Let Ravi’s present age be x years. Then, his father’s present age = 2x years.
II. After 5 years, Ravi’s age / Father’s age = 6/11
III. Ravi is younger than his brother.
From I and II, we get x + 5 / 2x + 5 = 6/11 . This gives x, the answer.
Thus, I and II together give the answer. Clearly, III is redundant.
Correct answer is (A).Incorrect
I. Let Ravi’s present age be x years. Then, his father’s present age = 2x years.
II. After 5 years, Ravi’s age / Father’s age = 6/11
III. Ravi is younger than his brother.
From I and II, we get x + 5 / 2x + 5 = 6/11 . This gives x, the answer.
Thus, I and II together give the answer. Clearly, III is redundant.
Correct answer is (A).