Question 76

Logical Reasoning Alphanumeric series Easy

The number that comes next in the series 0,1, 2, 3, 6, 11, 20, 37, 68,...

(A) 105
(B) 124
(C) 125
(D) 126
✓ Correct Answer: Option C Verified Solution

📘 Step-by-Step Solution & Detailed Explanation:

Identifying the Series Pattern

The given sequence is: 0, 1, 2, 3, 6, 11, 20, 37, 68, ...

This series does not follow a simple arithmetic or geometric rule. It is a recursive sequence where each new term is the sum of the three terms that come before it.

Verifying the Pattern

Let's check this rule against the numbers in the series:

  • 0 + 1 + 2 = 3 (the 4th term)
  • 1 + 2 + 3 = 6 (the 5th term)
  • 2 + 3 + 6 = 11 (the 6th term)
  • 3 + 6 + 11 = 20 (the 7th term)
  • 6 + 11 + 20 = 37 (the 8th term)
  • 11 + 20 + 37 = 68 (the 9th term)

The pattern is consistent throughout the series.

Calculating the Next Term

To find the next number, we add the last three terms of the sequence:

Next Term = 20 + 37 + 68

Next Term = 57 + 68

Next Term = 125

Conclusion

The number that comes next in the series is 125.

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