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12 years old Manick is three times as old as his brother Rahul. How old will Manick be when he is twice as old as Rahul ?
- a)14 years
- b)16 years
- c)18 years
- d)20 years
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
12 years old Manick is three times as old as his brother Rahul. How ol...
Manick’s present age = 12 years, Rahul’s present age = 12/3 = 4 years.
Let Manick be twice as old as Rahul after x years from now.
Then, 12 + x = 2 (4 + x) ⇒ 12 + x = 8 + 2x ⇒ x = 4.
Hence, Manick’s required age = 12 + x = 12 + 4 = 16 years.
Let Manick be twice as old as Rahul after x years from now.
Then, 12 + x = 2 (4 + x) ⇒ 12 + x = 8 + 2x ⇒ x = 4.
Hence, Manick’s required age = 12 + x = 12 + 4 = 16 years.
Most Upvoted Answer
12 years old Manick is three times as old as his brother Rahul. How ol...
Given Information:
Manick is 12 years old and three times as old as his brother Rahul.
Calculating Rahul's Age:
Let Rahul's age be x.
Manick's age = 3x (as per the given information)
So, 3x = 12
x = 4
Therefore, Rahul is 4 years old.
Calculating the Future Age:
Let Manick's age when he is twice as old as Rahul be y.
At that time, Rahul's age will be y/2.
Given that Manick is 3 times older than Rahul,
3y = 2(y/2)
3y = y
y = 16
Conclusion:
Manick will be 16 years old when he is twice as old as his brother Rahul.
Therefore, the correct answer is option B, 16 years.
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12 years old Manick is three times as old as his brother Rahul. How old will Manick be when he is twice as old as Rahul ?a)14 yearsb)16 yearsc)18 yearsd)20 yearsCorrect answer is option 'B'. Can you explain this answer?
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