Question

1,5,3,10,9,20,27,40,___?​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

The missing number in the sequence is 67.

• There doesn't seem to be a distinct pattern in the series, although it looks like a combination of growing and decreasing numbers. Following the initial two numbers (1 and 5), there is a reduction to 3, followed by an increase to 10 and then a decrease to 9. Following that, there is a substantial increase to 20, then another increase to 27, and finally an even greater increase to 40.

• The following number would indicate an increase based on the pattern of alternating increases and reductions. There are various numbers that may suit the pattern, but 67 seems to be the most plausible one because it would be a big rise from 40.

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