A

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Q. Which number should come next in the series 1, 2, 3, 10, ___

  • (A) 79
  • (B) 99
  • (C) 89
  • (D) 98
  • Correct Answer - Option(B)
  • Views: 13
  • Filed under category Reasoning
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Explanation by: Admin

The logic for the given series is the square of the appearing number and addition of 1 at first position and subtraction of 1 at second position. This simply means that -

1^2 + 1 = 2

2^2 - 1 = 3

3^2 + 1 = 10

Similarly, the number after 10 is -

10^2 - 1 = 99

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