Maths-
General
Easy

Question

If m + nP2 = 90 and m – nP2 = 30, then (m, n) is given by -

  1. (7, 3)  
  2. (16, 8)  
  3. (9, 2)  
  4. (8, 2)  

The correct answer is: (8, 2)

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