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- Question
- 12 year old Sami is three times as old as his brother Vinay. How old will Sami be when he is twice as old as Vinay?
Options- A. 18 years
- B. 14 years
- C. 20 years
- D. 16 years
- Correct Answer
- 16 years
Explanation
- 1. A was twice as old as B, two years ago. If the difference in their ages be 2 years, find A's age.
Options- A. 6
- B. 8
- C. 10
- D. 4 Discuss
- 2. The sum of ages of mother, daughter and son is 87 years. What will be the sum of their ages after 8 years?
Options- A. 101
- B. 110
- C. 111
- D. 105 Discuss
- 3. Mani is double the age of Prabhu, Ramona is half the age of Prabhu. If Mani is sixty, find out the age of Ramona.
Options- A. 20
- B. 15
- C. 10
- D. 24 Discuss
- 4. X is four years older than Y who is twice as old as Z. If the total ages of X, Y and Z be 34, how old is X?
Options- A. 8
- B. 10
- C. 12
- D. 16 Discuss
- 5. The age of Ram is double as that of Shyam and half as that of Suresh. If the sum of their ages is 70, what is the age of Ram?
Options- A. 20
- B. 30
- C. 40
- D. 10 Discuss
- 6. Anil is as much younger to Vivek as he is older to Tarun. If the total of the ages of Vivek and Tarun is 48 years, how old is Anil?
Options- A. 26
- B. 33
- C. 24
- D. 18 Discuss
- 7. The age of the father 4 years ago was 8 times the age of his son. At present, the father's age is 4 times that of his son. Find the present age of son.
Options- A. 9 years
- B. 7 years
- C. 14 years
- D. 18 years Discuss
- 8. A man is 3 years older than his wife and four times as old as his son. If the son becomes 15 years old after 3 years, then what is the present age of the wife?
Options- A. 60 years
- B. 51 years
- C. 48 years
- D. 45 years Discuss
- 9. The age of Dr. Pandey is four times the age of his son. After 10 years, the age of Dr. Pandey will be twice the age of his son. The present age of Dr. Pandey's son is :
Options- A. 4 years
- B. 5 years
- C. 6 years
- D. 8 years Discuss
- 10. Five years ago, Mayank's mother was three times as old as Mayank. After five years she will be twice as old as Mayank. The present age of Mayank is :
Options- A. 13 years
- B. 15 years
- C. 20 years
- D. 30 years Discuss
Problems on Ages
Search Results
Correct Answer: 6
Explanation:
Suppose the present age of B = P years
The present age of A - The present age of B = 2 years.
Therefore, the present age of A = P + 2 years
According to question,
Two years ago , 2( the present age of B - 2 years ) = the present age of A - 2 years
2 (P ? 2) = P + 2 ? 2
? 2P ? 4 = P
? 2P ? P = 4
? P = 4
Age of B = 4 years
Age of A = P + 2 = 4 + 2 = 6 years
Correct Answer: 111
Explanation:
Sum of ages of mother, daughter and son (i.e., 3 persons) = 87 years.
After 8 years , Sum of their ages = Sum of ages of mother, daughter and son + ( 8 x 3 ) = 87 + (8 × 3) = 87 + 24 = 111 years
Correct Answer: 15
Explanation:
Correct Answer: 16
Explanation:
Correct Answer: 40
Explanation:
Correct Answer: 24
Explanation:
Correct Answer: 7 years
Explanation:
Correct Answer: 45 years
Explanation:
Suppose age of son = P years
Age of the man = 4P years
Age of man's wife = 4P ? 3 years
According to the question,
After 3 years, age of son + 3 years = 15
P + 3 = 15
? P = 15 ? 3 = 12 years
Now, age of wife = 4P ? 3 years
age of wife = 4 × 12 ? 3 years
age of wife = 48 ? 3 years
age of wife = 45 years
Correct Answer: 5 years
Explanation:
Correct Answer: 15 years
Explanation:
Method (1)
Let us assume the present age of Mayank is X and his mother age is Y.
Five years ago, Mayank's age = X - 5
Five years ago, Mayank's mother age = Y - 5
According to question,
Five years ago, Mayank's mother was three times as old as Mayank.
Y - 5 = 3 (X - 5)
? Y - 5 = 3X - 15
? 3X - Y = 15 - 5
? 3X - Y = 10................(1)
Again According to question,
After five years, Mayank's age = X + 5
After five years , Mayank's mother age = Y + 5
After five years she will be twice as old as Mayank.
Y + 5 = 2 ( X + 5 )
? Y + 5 = 2X + 10
? Y - 2X = 10 - 5
? Y - 2X = 5 ....................(2)
Add the equation (1) and (2), we will get
3X - Y + Y - 2X = 10 + 5
X = 15
Put the vale of X in equation (2), We will get
Y - 2 x 15 = 5
Y + 30 + 5 = 35 years
Mayank' Present Age is 15 years and mother age is 35 year.
Method 2
Let us assume the present age of Mayank be P, then the 5 years before Mayank's age = P - 5
According to Question
Age of his mother before 5 years = 3 x (P - 5 )
Present age of his mother = 3 x (P - 5 ) + 5
After 5 Years Mayank's age = P + 5
After 5 Years Mother' age = 3 x (P - 5 ) + 5 + 5
Now again according to question,
After five years she will be twice as old as Mayank, then
3 x (P - 5 ) + 5 + 5 = 2 (P + 5)
? 3P - 5 = 2P + 10
? 3P - 2P = 10 + 5
? P = 15
Mayank's present Age is 15 years.
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