A

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Q. Complete the series
7, 8, 18, 57, ?, 1165, 6996

  • (A) 228
  • (B) 232
  • (C) 542
  • (D) 415
  • Correct Answer - Option(B)
  • Views: 6
  • Filed under category Math
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Explanation by: Admin
Here 2nd number = (1st number x 1 )+1
3rd number = (2nd number x 2 +2)
4th number = (3rd number x 3 )+3 and so on..
Therefore, 5th number = (4th number x 4) +4 =57 x 4 + 4 =232.

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