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1. Jafar is n years old. Moin is 5 years younger than Jafar and 3 years older than Arif. What is the sum of the ages of all three?

  • A. 3n - 13
  • B. 3n - 13
  • C. 3n - 13
  • D. 3n - 13

Answer: Option A

Explanation:

Jafor = n years old

So, Moin = ( n - 5) years old

So, Arif = ( n - 5 - 3) or ( n – 8) years old

Sum of these ages = ( n + n - 5 + n - 8) = 3n - 13

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