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The current ages of Sudhir and Ashish are in the ratio 5 ∶ 7. Twelve years ago, the ratio of their ages was 1 ∶ 2. What will be the age of Sudhir after five years from now? 
  • a)
    20 years
  • b)
    25 years
  • c)
    33 years
  • d)
    28 years  
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The current ages of Sudhir and Ashish are in the ratio 5 7. Twelve ye...
Given: 
12 years ago, Sudhir and Ashish = 1 : 2
Current age of Sudhir and Ashish = 5: 7
Concept used:
We will be using the concept of ratio.
Calculation:
Let the ages of Sudhir and Ashish 12 years ago = 1x and 2x respectively,
According to the question,
(1x + 12) / (2x + 12) = 5/7
⇒ 7x + 84 = 10x + 60
⇒ 3x = 24
⇒ x = 8
∴ Present age of Sudhir  = 8 + 12 = 20 year
The age of Sudhir after five years from now = 20 + 5 = 25
The age of Sudhir after five years from now is 25 years.
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Community Answer
The current ages of Sudhir and Ashish are in the ratio 5 7. Twelve ye...
Let's assume the current ages of Sudhir and Ashish are 5x and 7x respectively.

Twelve years ago, Sudhir's age was (5x - 12) and Ashish's age was (7x - 12). The ratio of their ages at that time was given as 1:2.

So, we can write the equation as:
(5x - 12) / (7x - 12) = 1/2

To solve this equation, we can cross-multiply:
2(5x - 12) = 1(7x - 12)
10x - 24 = 7x - 12
3x = 12
x = 4

Now we can find their current ages:
Sudhir's age = 5x = 5 * 4 = 20
Ashish's age = 7x = 7 * 4 = 28

After five years, Sudhir's age will be 20 + 5 = 25. So the correct answer is option B, 25 years.
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The current ages of Sudhir and Ashish are in the ratio 5 7. Twelve years ago, the ratio of their ages was 1 2. What will be the age of Sudhir after five years from now?a)20 yearsb)25 yearsc)33 yearsd)28 years Correct answer is option 'B'. Can you explain this answer?
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The current ages of Sudhir and Ashish are in the ratio 5 7. Twelve years ago, the ratio of their ages was 1 2. What will be the age of Sudhir after five years from now?a)20 yearsb)25 yearsc)33 yearsd)28 years Correct answer is option 'B'. Can you explain this answer? for UGC NET 2024 is part of UGC NET preparation. The Question and answers have been prepared according to the UGC NET exam syllabus. Information about The current ages of Sudhir and Ashish are in the ratio 5 7. Twelve years ago, the ratio of their ages was 1 2. What will be the age of Sudhir after five years from now?a)20 yearsb)25 yearsc)33 yearsd)28 years Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for UGC NET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The current ages of Sudhir and Ashish are in the ratio 5 7. Twelve years ago, the ratio of their ages was 1 2. What will be the age of Sudhir after five years from now?a)20 yearsb)25 yearsc)33 yearsd)28 years Correct answer is option 'B'. Can you explain this answer?.
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