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Complete the series: 2, 5, 9, 19, 37, _______

By BYJU'S Exam Prep

Updated on: September 25th, 2023

(a) 75

(b) 76

(c) 77

(d) 78

2, 5, 9, 19, 37, 75. So option (d) is the correct answer. The answer can be obtained by following a logic (ax2+1), (bx2+1), etc. The logic to finding the answer has been explained in this post below. 

2, 5, 9, 19, 37, _______

The logic to solve the given series is as follows:

2 × 2 + 1 = 5

5 × 2 – 1 = 9

9 × 2 + 1 = 19

19 × 2 – 1 = 37

37 × 2 + 1 = 75

Therefore, 75 is the correct answer.

Summary:

Complete the series: 2, 5, 9, 19, 37, _______. (a) 75 (b) 76 (c) 77 (d) 78

To complete the series 75 is added in the given blank. So the complete series will be 2, 5, 9, 19, 37, 75. The explanation to find out the answer has been elaborated above on this page.

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