Correct Answer: Option D
Let Rahul's age be x years.
Then, Sekhu's age = (x - 7) years
So, (x -7)/x = 7/9
=> 9x - 63 = 7x
=> 2x = 63
=> x = 31.5
Hence, Sekhu's age =(x - 7) = 24.5 years.
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