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Q: In the following number series, one of the numbers is wrong. Find it out? 77, 79, 76, 81, 75, 85

  • 1
    79
  • 2
    81
  • 3
    75
  • 4
    85
  • Show Answer
  • Workspace

Answer : 3. "75"
Explanation :

Answer: C) 75 Explanation: Here in the given series, it follows a pattern that   77 + 2 = 79   79  - 3 = 76   76 + 5 = 81   81 -  7 = 74   74 + 11 = 85   Consecutive adding and subtracting of prime numbers.   So the wrong number in the given series is 75.

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