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- Question
- A is 20 years older than B. He is also 6 times as old as B.Then the respective age of A and B are ..... and .... years.?
Options- A. 24, 4
- B. 42, 7
- C. 30, 5
- D. None of these
- Correct Answer
- 24, 4
ExplanationLet the age of B be N years
According to the question
? N + 20 = 6N
? N = 4 years
? A's age = 4 x 6 = 24 years and B's age = 4 years - 1. Deepak is 4 times as old as his son. four years hence the sum of their ages will be 43 years. How old is deepak's son now?
Options- A. 5 years
- B. 7 years
- C. 8 years
- D. 10 years Discuss
- 2. Sachin was twice as old as Ajay 10 years back. How old is Ajay today if Sachin will be 40 years old 10 years later?
Options- A. 20 years
- B. 10 years
- C. 30 years
- D. 15 years Discuss
- 3. Ratio of Ashok's age to Pradeep's age equal to 4 : 3. Ashok will be 26 years old after 6 years. How old is Pradeep now?
Options- A. 12 years
- B. 15 years
- C. 191/2 years
- D. 21 years Discuss
- 4. The ratio of Vimal's age and Aruna's age is 3 : 5 and sum of their ages in 80 years. The ratio of their ages after 10 years will be?
Options- A. 2 : 3
- B. 1 : 2
- C. 3 : 2
- D. 3 : 5 Discuss
- 5. Mr. Sohanlal is 4 times as old as his son. Four years later the sum of their ages will be 43 years. The present age of son is?
Options- A. 5 years
- B. 7 years
- C. 8 years
- D. 10 years Discuss
- 6. The respective ages of father and his son are 41 and 16 years. In how many years will the father be twice as old as his son?
Options- A. 19 years
- B. 9 years
- C. 10 years
- D. 15 years Discuss
- 7. A is 3 years younger to B, C is two years older then A. Then B's relation to C is?
Options- A. Two years older
- B. One year younger
- C. One year older
- D. Two years younger Discuss
- 8. A is twice as old as B was two years ago. If the difference in their ages be 2 years, find A's age?
Options- A. 14 years
- B. 18 years
- C. 8 years
- D. 12 years Discuss
- 9. 20 years ago my age was 1/3 of what it is now. What is my present age?
Options- A. 30 years
- B. 25 years
- C. 35 years
- D. 40 years Discuss
- 10. A 280 m long train crosses a platform which is three times of its length, in 6 min 40 s. What is the speed of the train?
Options- A. 3.2 m/s
- B. 1.4 m/s
- C. 2.8 m/s
- D. Cannot Determined Discuss
Problems on Ages
Search Results
Correct Answer: 7 years
Explanation:
Let the son's present age be x years
Then, (x + 4 ) + (4x + 4) = 43
? 5x = 35
? x = 7 years
Correct Answer: 20 years
Explanation:
Let Ajay's age 10 years back be x years.
Then Sachin's age 10 years back = 2x years
? 2x + 20 = 40
? x = 10
? Present age of Ajay = x + 10 = 20 years
Correct Answer: 15 years
Explanation:
Let Ashok's age = 4x years and Pradeep's age = 3x years
From question, 4x + 6 = 26
? x = 5
&ther4; Pradeep's age = 3x = 15 years.
Correct Answer: 2 : 3
Explanation:
? 3x + 5x = 80
? x = 10
Ratio of their ages after 10 years = (3x + 10) : (5x + 10) = 40 : 60 = 2 : 3
Correct Answer: 7 years
Explanation:
Let the son's present age be x years
Then, (x + 4) + (4x + 4) = 43
? 5x = 35
? x = 7
Correct Answer: 9 years
Explanation:
Suppose x years later the father will be twice as old as his son.
? x + 41 = 2 (x + 16)
? x = 41 - 32 = 9 years
Correct Answer: One year older
Explanation:
Let the age of A be (x - 3) years
? B's age = x years
? C's age = (x - 3) + 2 = x - 1
? B's age - C's age = x - (x - 1) = 1 year
? B is one year older then C.
Correct Answer: 8 years
Explanation:
Let B;s age 2 years ago be N years
? A's present age = 2N years
From question, 2N - (N + 2) = 2
? N = 4
? A's age = 2 x 4 = 8 years
Correct Answer: 30 years
Explanation:
Let my present age be x years.
? x - 20 = x / 3
? 3x - 60 = x
? 2x = 60
? My present age = x = 30 years
Correct Answer: 2.8 m/s
Explanation:
Length of the train = 280 m
Length of the platform = 280 x 3 = 840 m
Taken time = 6 min 40 s = (360 + 40) s = 400 s
? Required speed = Distance / Time = (840 + 280)/400
= 1120/400 = 2.8 m/s
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