Mukesh is 40 years old and he is five times as old as his brother Rohit When Mukesh is thrice as old...........

Logical Reasoning(Master ) Arithmetical Reasoning

Mukesh is 40 years old and he is five times as old as his brother Rohit. When Mukesh is thrice as old as Rohit then age of Mukesh is

44 years

46 years

48 years

40 years

42 years

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Explanation:

Mukesh's present age = 40 years, Rohit's present age = 8 years.
Let Mukesh be thrice as old as Rohit after x years from now.
Then, 40 + x = 3 (8 + x).
So, 40 + x = 24 + 3x. Hence, x = 8.
Hence, Mukesh's required age = 40 + x = 48 years
Hence, option 3 is the correct answer.