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854

Q: What will come in place of question mark (?) in the following number series? 4, 3, 4, 7, 15, ?

  • 1
    42
  • 2
    44
  • 3
    53
  • 4
    56
  • Show Answer
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Answer : 2. "44"
Explanation :

Answer: B) 44 Explanation:   4             3             4             7               15        ? ×1-1      ×1+1       ×2-1       ×2+1           ×3-1   15x3 - 1 = 45 - 1 = 44

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