Ages - Online Quiz



Following quiz provides Multiple Choice Questions (MCQs) related to Ages. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - The average age of a man and his son is 48 years. The ratio of their ages is 11:5 respectively. What will be ratio of their ages after 6 years

A - 6:5

B - 5:3

C - 4:3

D - 2:1

Answer : D

Explanation

Let the present ages of the man his son be 11x and 5x respectively.
According to the question,
11x + 5x = 2*48
Or, 16x = 96
Or, x = 6

Therefore, present age of the man = (11*6)  = 66 years
Present age of the son = (5*6)  = 30 years

Hence required ration after 6 years = (66+6) : (30+6)
= 72 : 36
= 2:1

Q 2 - In a family the average age of the father and mother is 38 years whereas the average age of father, mother and their only daughter is 28 years. Then the age of the daughter is -

A - 5 years

B - 6 years

C - 7 years

D - 8 years

Answer : D

Explanation

The age of the daughter = (3*28) - (2*38)
= 84 - 76
=  8 years

Q 3 - One year ago the ratio of Yamini?s and Gamini?s ages was 6 : 7 respectively. Four years hence this ratio would become 7 : 8. How old is Gamini?

A - 35 years

B - 30 years

C - 31 years

D - 36 years

Answer : D

Explanation

Let one year ago the ages of Yamini and Gamini be 6x and 7x years respectively.

Therefore, present ages will be 6x + 1 and 7x + 1 years respectively.

Now four years hence,

(6x + 1 + 4) / (7x + 1 + 4)  = 7/8
Or, (6x + 5)  / (7x + 5) = 7/8
Or, 49x + 35 = 48x + 40
Or, X = 40 - 35 = 5 

Hence Gamini's present age = 7x + 1  = 7*5 + 1 = 36 years

Q 4 - The total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A?

A - C is elder to A

B - 24 years

C - 12 years

D - Data Inadequate

Answer : C

Explanation

According to question,

A + B = B + C + 12
A = C + 12
 C = A - 12

Hence, C is 12 years younger to A.

Q 5 - If 1:2 is the present age ratio of two girls. But 1:3 age ratio of girls was 5 year ago . In that case find out the ratio of age after the period of 5 year?

A - 1:4

B - 2:3

C - 3:5

D - 5:6

Answer : C

Explanation

If the present age of two girls is x and 2x years. Then,
x-5/ 2x-5 = 1/3 ⇒ 3(x-5) =(2x-5) ⇒ x =10
5 year after their age ratio will be = x+5/ 2x+5 = 10+5/20+5 = 15/25 = 3/5= 3:5

Q 6 - If 6 year is the difference of age of two boys ram and shyam at the present time. After the period of 4 year, the ratio of their age would be 3:4 . find out the shyam age at the present time?

A - 15 years

B - 18 years

C - 20 years

D - 25 years

Answer : C

Explanation

Let  x year is the ram present age then shyam present age will be (x+6)
X+4/ (x+6+4) = 3/4 = x+4/ x+10 = 3/4  ⇒ 4(x+4) = 3(x+10) ⇒ x = 14.
Hence , it proves that the present age of shyam = (14+6) = 20 year 

Q 7 - A mother have 7 times in the comparison of her daughter at the time of 1 year ago . At the present time mother age is equal to the square of her son . What should be the time age of mother?

A - 7 years

B - 36 years

C - 49 years

D - 64 years

Answer : B

Explanation

Let the present age of the son be x years.
Man present age  =7(x-1)+1 years =  (7x-6 ) yrs.
7x-6 = x2 ⇒ x2-7x+6 = 0 ⇒ (x-6)(x-1) =0 ⇒ x =6 or x =1
∴ present age of men = (7*6-6) = 36 yrs.

Q 8 - Before 6 year Radha got married . if we compare the marriage time with the present time , present time would be 5/4 times from the marriage time. At the present time son got 1/10 times in the comparison of his mother age . find out the present time age of his mother?

A - 2 years

B - 3 years

C - 4 years

D - 5 years

Answer : B

Explanation

Let radha age 6 year ago be x year. Then, radha present age = (x+6) years.
∴ x+ 6 = 5x/4 ⇒ 4(x+6) =5x = x =24
Present age of radha  = (24+6) = 30 years.
Son ?s present age = (1/10* 30) years = 3 years.

Q 9 - Ajay is 2 years older than brij but brij have double age in the comparison of Chaman . 27 years is the total age all of three. What should be the present age of brij?

A - 7 years

B - 8 years

C - 9 years

D - 10 years

Answer : D

Explanation

If chaman age be x years . then brij age = 2x years , ajay  age =( 2x+2)
∴  2x+2+2x+x =27 ⇒  5x = 25 ⇒ x =5
The age of brij = 10 years.

Q 10 - Here 3:2 is the present age ratio between raj and john. If raj was 6 year older in the comparisoin of john after the priod of 4 years. What should be the present age ratio of john?

A - 5 years

B - 12 years

C - 20 years

D - 37 years

Answer : B

Explanation

Let raj age = 3x years. Then john age = 2x years.
(3x-4) = 2x-4 +6 ⇒ x =6
Present age of john = (2*6) = 12 years
aptitude_ages.htm
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