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Quantitative Aptitude Quiz - Questions & Problems on Ages - for SSC Exam: 26 April 2021

Updated Mon, 26 Apr 2021 12:51 PM IST
Source: safalta

Q 1 - If the ratio of ages of two persons Ram and sham is 5:4 . After Three years their age ratio changes and becomes 11:9. In that case tell about the present age of mr. sham.

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A - 23 years
B - 24 years
C - 25 years
D - 26 years

Q 2 - A mother is 30 time older in the comparison of her daughter. After the period of 18 year , the mother age would be thrice in the comparison of his daughter . In that case tell about the present age of mother.

A - 40 years
B - 41 years
C - 42 years
D - 43 years

Q 3 - The ratio of present ages of three persons ajay , vijay and sanjay are in the proportion of 4: 7: 9. Before 8 year total sum of their age is 56. What should be the present ages?

A - 28 and 36 years
B - 28 and 38 years
C - 30 and 36 years
D - 36 and 28 years

Q 4 - Daughter's present age is 2/5 in the comparison of her mother .8 year later , age of her daughter will be 1/2 in the comparison of her mother. Find out mother present age?

A - 39 years.
B - 40 years
C - 41 years
D - 42 years

Q 5 - Ajay age was double in the comparison of bhuvan before 3 years. Seven years hence, the sum of both ages would be 83 years. What should be the age at the present time of both?

A - 43 years
B - 44 years
C - 45 years
D - 46 years

Q 6 - I am 4 year older in the comparison of my sister, but my brother who is the youngest among us is 7 year younger to myself. My father is three times in the comparison of my brother. The present age of my sister 18 year and my father is 3 year older in the comparison of my mother. In that situation what should be the present age of my mother?.

A - 42 years
B - 43 years
C - 44 years
D - 45 years

Q 7 - Ajay is as much younger to vijay as he is older to vinay. If 48 years is the sum of the ages of vijay and buwan . Then find out the present age of Mr. ajay ?

A - 21 years
B - 22 years
C - 23 years
D - 24 years

Q 8 - If 100 year is equal to the sum of the ages of father and son. 2:1 was the ratio of father and son before the period of 5 years. Find out the ratio of ages which would be after the period 10 year.

A - 3:4
B - 3:5
C - 4:3
D - 5:3
 
Q 9 - Father is four times the age of his daughter. If after 5 years, he would be threee times of daughter’s age, then further after 5 years, how many times he would be of his daughter’s age?

A. 1.5 times
B. 2 times
C. 2.5 times
D. 3 times
 
Q10  What is Aman's present age, if after 20 years his age will be 10 times his age 10 years back?

A. 6.2 years
B. 7.7 years
C. 13.3 years
D. 10 years
 
Solution:

1.
Answer - B
Explanation

If the age of Mr. Ram 5x and 4x is the age of Mr. sham.

Then, (5x + 3) /( 4x+3) = 11/9  

⇒ 9 (5x+3) = 11 (4x+3) 

⇒ x= (33-27) = 6

So the present age of Mr. sham = 6*4 = 24 years.

 

2. 

 

Answer - A
Explanation

Let daughter present age   be x year .

in that case mother present age would be = 30x years  

30x + 18 = 3 (x+ 18) 

⇒ 27x = 36  

⇒ x = 4/3  

∴ so the present age of mother = (30* 4/3) = 40 years.

 

3.

 

Answer - A
Explanation

If the present age of ajay , vijay and sanjay is  4x , 7x and 9x years.

Total sum of  ages of ajay, vijay and sanjay  before 8 years  ago = (4x-8)+(7x-8)+(9x-8)

=(20x-24) years.

∴ 20x-24 = 56 ⇒ 20x = 80 ⇒ x= 4 

Hence,  it proves that age of ajay is 4*4 = 16 years, 

vijay (7*4) = 28 years  and sanjay  (9* 4) = 36 years. 

 

4.

 

Answer - B
Explanation

If the present age of mother is  equal to  x year.  

In that situation the daughter present age would be = 2x/5 years.

2x/5 + 8 = 1/2 (x+8) ⇒  4x+ 80 = 5x+40 ⇒ x = 40.

The mother age at the present time is = 40 years.

 

 

5.

 

Answer - C
Explanation

Before  3 year  let  bhuvan age be x years. 

3 years before , ajay age will be  2x years. 

Now Bhuwan's  age =(x+3) years and ajay  age = (2x+3) years.

(x+3)+7+(2x+3)+7 = 83 ⇒  3x+20 = 83 ⇒ 3x = 63 ⇒ x = 21 

Now the bhuwan present age = (21+3) = 24 years 

Now the ajay present age = (2 *21+3) years = 45 years.

 

6.

 

Answer - A
Explanation

If my sister age is x years. Then,

Sister  -    x 

I   -       x+4

Brother -  (x+4-7) = x-3

Father - 3 (x-3) 

Given x = 18

∴  Father's age =  3(18-3) = 45 years.

Mother age = (45-3) = 42 years.

 

7.

 

Answer - D
Explanation

V-A = A- B ⇒ V+B = 2A =48 ⇒ 24

Now,  We can say that the present age  of Mr. Ajay  is 24 years.

 

8.

 

Answer - D
Explanation

If the age of father at the present time = x years 

His son age at the present time =  (100-x) years.

x-5 / (100-x-5) = 2/1  ⇒ (x-5) = 2(95-x) ⇒ 3x = 195  ⇒ x = 65

Ratio of the ages of man and son after 10 years = (65+10)/(35+10)= 75/45 = 5/3

 

 

 

9.
 
Sol : Option C
Let the daughter's age be x and father's age be 4x.
So as per question, 4x + 5 = 3(x + 5). So x = 10.
Hence present age of daughter is 10 years and present age of father is 40 years.
So after 5 + 5 = 10 years, daughter age would be 20 years and father’s age would be 50 years.
Hence father would be 50/20 = 2.5 times of daughter’s age.
 
10.
 
Sol : Option C
Let Aman's present age be x
Aman's age before 10 years = x - 10)
Aman's age after 20 years = (x + 20)
We are given that, Aman's age after 20 years (x + 20) is 10 times his age 10 years back (x – 10)
Therefore, (x + 20) = 10 (x – 10)
Solving the equation, we get x + 20 = 10x – 100
9x = 120, x = 13.3 years

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