Hello Aspirants. Welcome to Online Maths in AffairsCloud.com. Here we are creating question sample in **Ages**, which is common for competitive exams. We have included Some questions that are repeatedly asked in exams !!

**Average age of a group of 40 students is 37 yrs. If a teacher is included then the average age rises by 1,then find the age of the teacher after 2 years ?**

A)77

B)80

C)78

D)81

**B)80**

Explanation :

X = 37*40 = 1480

X = 38*41 = 1558

T age = 1558 – 1480 = 78

Aftr 2 yrs = 78+2 = 80

**At present Priya is twice Sariga’s age. 8 yrs hence the respective ratio between Priya and Sariga’s age will be 22 :13, What is Sariga’s present age ?**

A)26

B)36

C)18

D)20

**C)18**

Explanation :

P = 2S

2s+8/s+8 = 22/13

26s+104 = 22s+176

4s = 72

S= 18yr

**The ratio between the present ages of X and Y is 4:9 respectively. 2yrs from now, Y’s age will become twice the age of X.What was the difference between their ages five yrs ago ?**

A)10

B) 7

C)12

D)9

**A)10**

Explanation :

4x+2/7x+2 = ½

8x+4 = 9x+2

x = 2

x:y = 8:18

5 yrs ago = 3:13

D = 13-3 = 10

**The ratio of present age of Kaviya and Lakshmi is 6:7, the ratio of their ages after 8yrs would be 8:9, What is Kaviya’s present age?**

A)20

B)24

C)28

D)30

**B)24**

Explanation :

6x+8/7x+8 = 8/9

54x+72 = 56x+64

2x = 8

x = 4

K=6*4 = 24yrs

**The ratio between the present age of Maha and Deepa is 5:X. Maha is 9yrs younger than Parveen. Parveen’s age after 9yrs will be 33yrs. The difference between the Deepa and Maha age is same as the present age of Parveen.Find X**

A)13

B)10

C)11

D)14

**A)13**

Explanation :

P present age = 33-9 = 24

M = 24 – 9 =15

D – M = 24

D – 15 = 24

D = 24+15 = 39

15:39 = 5:13

X = 13

**The present age of Akil is 3 times that of Nirmal. 3 yrs hence the age of Akil will become 4yrs more than Nirmal. age The present age of Akil is**

A)1

B)2

C)4

D)6

**D)6**

Explanation :

A = 3N

A+3 = N+4+3

3N+3 = N +7

2N = 4

N =4/2

N = 2yrs

A = 3*2 = 6yrs

**The age of Vivek is 54yrs, If sham’s age is 36% more than that of Vivek, What % is Vivek’s age less than Sham ?**

A)26%

B)20%

C)35%

D)30%

**A)26%**

Explanation :

S = 136*54/100 = 73

% = 73-54/73 = 26%

**Ashok is 3 years elder than Balu who is now 4 times as old as Jaswanth. Jaswanth is now 6 years old. What was Ashok’s age when Jaswanth was born?**

A)20

B)27

C)21

D)25

**C)21**

Explanation :

Let Ashok age A.

Age of Balu = A-3

Jaswanth’s age = 6

Balu’s Age = 4* J’s age

i.e., A – 3 = 4 x 6

X = 24 + 3 = 27

Hence, Ashok’s age = 27 – 6 = 21

**The sum of the ages of 5 children born at the intervals of 3 years each is 50 years.**

**What is the age of the elder child among 5 childern?**

A)21

B)15

C)16

D)18

**C)16**

Explanation :

X+x+3+x+6+x+9+x+12 = 50

5x+30 =50

X = 50-30/5 = 20/5 =4

4+12 = 16

**The sum of the present ages of Jai, Prem and Saran is 93 years. Ten years ago, the ratio of their ages was 2:3:4. What is the present age of Sara?**

A)31

B)38

C)21

D)28

**B)38**

Explanation :

J+P+S = 93

J-10:P-10:S-10 = 2:3:4

93-30 = 63

Saran age = 63*4/9 = 28+10 = 38

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