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- Question
- The difference between a mother's age and the sum of her two daughters' age is 6. The average age of two daughters is 22. What is the age of mother?
Options- A. 40
- B. 44
- C. 46
- D. 50
- Correct Answer
- 50
ExplanationAccording to question ,
Mother's age - Sum of her two daughters' age = 6.
The average age of two daughters = 22
Total age of two daughters = 22 × 2 = 44 years
? The age of their mother = Total age of two daughters + 6 years
The age of their mother = 44 + 6 = 50 years - 1. A, B, C, D, are four friends. Average age of A and C is 35 years and that of B, and D is 40 years. Average age of B, C and D is 40 years. The sum of the ages of A and D is equal to that of B and C. Find out the ages (in years) of A, B, C and D.
Options- A. 20, 30, 40, 50
- B. 20, 25, 30, 35
- C. 30, 35, 40, 45
- D. 30, 40, 50, 60 Discuss
- 2. The age of X is 2/3 rd that of Y. After 6 years X will be 46 years old.
What is the present age of Y?
Options- A. 40 years
- B. 56 years
- C. 60 years
- D. 100 years Discuss
- 3. The average age of a cricket team is 27 years. Two players with 24 and 27 years of age are replaced by new players of 23 and 28 years of age. What is the average age of the team now?
Options- A. 27 years
- B. 26 years
- C. 24 years
- D. 28 years Discuss
- 4. The difference between the ages of a boss and his subordinate is 16 years. Four years ago, the respective ratio of the ages of the boss and subordinate was 11 : 7. The present age of the subordinate is:
Options- A. 28 years
- B. 32 years
- C. 36 years
- D. 40 years Discuss
- 5. 5 years ago, the average age of Ram and Shyam was 20 years. Now, the average age of Ram, Shyam and Mohan is 30 years. What will be Mohan's age 10 years hence?
Options- A. 50 years
- B. 45 years
- C. 40 years
- D. 35 years Discuss
- 6. A man was 32 years of age when he had his first son. His wife was 35 years of age when his son attained the age of 7 years. The difference in age between the man and his wife is
Options- A. 7 years
- B. 3 years
- C. 5 years
- D. 4 years Discuss
- 7. Hema was twice as old as Geetha 10 years ago. How old is Geetha today if Hema will be 40 years old 10 years hence?
Options- A. 25 years
- B. 20 years
- C. 15 years
- D. 35 years Discuss
- 8. Naresh's age is 4 years less than twice the age of his brother. Which of the following represents the equation to find his age?
Options- A. 2P + 4
- B. 4P + 2
- C. P ? 4
- D. 2P ? 4 Discuss
- 9. My father is 21 years older than me. In 12 years time, his age will be twice mine. How old am I now?
Options- A. 9 years
- B. 8 years
- C. 10 years
- D. 11 years Discuss
- 10. Ram's age was square of a number last year and it will be cube of a number next year. How long must he wait before his age is again the cube of a number?
Options- A. 39 years
- B. 10 years
- C. 38 years
- D. 64 years Discuss
Problems on Ages
Search Results
Correct Answer: 30, 35, 40, 45
Explanation:
Given :- Average age of A and C = 35 years
? A + C = 70 years ......... ( ? )
Average age of B, and D = 40 years.
? B + D = 80 years ......... ( ? )
and Average age of B, C and D = 40 years.
? B + C + D = 120 years ......... ( ? )
With the help of equations ( ? ) , ( ? ) and ( ? ) , we get
? age of C = 40 years and age of A = 30 years
According to question ,
? age of A + age of D = age of B + age of C
? A + D = B + C
? 30 + D = B + 40 ? D ? B = 10
? age of B = 35 years and age of D = 45 years
Correct Answer: 60 years
Explanation:
Correct Answer: 27 years
Explanation:
According to question ,
The average age of a cricket team = 27 years
Age of two old players = 24 + 27 = 51
Age of two new players = 23 + 28 = 51
? New average age of a cricket team = 27 + ( Age of two old players ) - ( Age of two new players )
New average age of a cricket team = 27 + ( 51 ) - ( 51 ) = 27 years
In other words ,The total age of the two players which were replaced is the same as that of the total age of two players which replaced them. Therefore, the new average will remain unchanged.
Correct Answer: 32 years
Explanation:
Let us assume the present age of the subordinate is P then her subordinate age will be (P + 16).
According to Question,
Four years ago, the respective ratio of the ages of the boss and subordinate was 11 : 7.
(P +16 - 4 )/ (P - 4) = 11/7
? 7 x (P +16 - 4 ) = 11 x (P - 4)
? 7 x (P +12 ) = 11 x (P - 4)
? 7P + 84 = 11P - 44
? 4P = 128
? P = 32 years
Correct Answer: 50 years
Explanation:
Let us assume the present age of Ram R, Shyam S and Mohan M.
5 years ago, Ram age = R - 5
5 years ago, Shyam age = S - 5
5 years ago, Mohan age = M - 5
According to question,
5 years ago, the average age of Ram and Shyam was 20 years,
(5 years ago, Ram age + 5 years ago, Shyam age) /2 = 20
(R - 5 + S - 5 )/2 = 20
R + S = 40 + 10 = 50 ................(1)
Now Again according to question,
Now , the average age of Ram, Shyam and Mohan is 30 years
(R + S + M)/3 = 30
R + S + M = 90
Pu the value of R + S from equation (1)
50 + M = 90
M = 90 - 50 = 40
The present age of Mohan = 40 years
10 years hence, the age of Mohan = 40 + 10 = 50 years
Correct Answer: 4 years
Explanation:
According to question ,
Age of his wife = 35 years
Age of his son = 7 years and Age of man = 32 years
At the birth of son, The age of mother = Age of his wife - Age of his son = 35 ? 7 = 28 years
Difference in age = Age of man - age of mother = 32 ? 28 = 4 years
Correct Answer: 20 years
Explanation:
Correct Answer: 2P ? 4
Explanation:
Suppose the age of Naresh's brother = P years
According to question ,
? Age of Naresh = 2 × age of Naresh's brother ? 4
Therefore , Age of Naresh = 2P ? 4
Correct Answer: 9 years
Explanation:
Suppose my age = P years
My father's age = my age + 21 years = P + 21 years
Again After 12 years ,
2 ( my age + 12 ) = My father's age + 12
? 2 (P + 12) = (P + 21) + 12
? 2P + 24 = P + 33
? P = 33 ? 24 = 9 years
Hence , I am 9 years old now .
Correct Answer: 38 years
Explanation:
Let us assume at present Ram's age is 26 years
Last year his age = 26 ? 1 = 25 = (5)2
Next year his age = 26 + 1 = 27 = (3)3
After 27, the next cube number is 64 = (4)3
? Required answer = 64 ? 26 = 38 years
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