• Numerical Ability - Number Series
Question

2  13  27  113  561  3369  23581

  • A) 27
  • B) 13
  • C) 113
  • D) 561
  • E) 3369
Solution

The series is 2 × 2 + 7 = 11, 11 × 3 6 = 27, 27 × 4 + 5 = 113, 113 × 5 4 = 561, 561 × 6 + 3 = 3369, 3369 × 7 2 = 23581 Hence, there should be 11 in place of 13

The series is 2 × 2 + 7 = 11, 11 × 3 6 = 27, 27 × 4 + 5 = 113, 113 × 5 4 = 561, 561 × 6 + 3 = 3369, 3369 × 7 2 = 23581 Hence, there should be 11 in place of 13
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