Question : Direction: Nikhil is 8 years younger than his brother Rohan. How old will Rohan be when he is twice as old as Nikhil?
Option 1: 4 years
Option 2: 6 years
Option 3: 8 years
Option 4: 16 years
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Correct Answer: 16 years
Solution : Let the age of Rohan be x years.
So, the age of Nikhil = (x – 8) years.
When Rohan is twice the age of Nikhil, the following equation is formed
2 (x – 8) = x
⇒ 2x – 16 = x
⇒ x = 16
So, the age of Rohan will be 16 years.
Hence, option fourth is correct.
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