Q: What is the number that completes the sequence 3 4 6 9 13?

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18

It is 24+7 = 31

Continuing the sequence would be the the numbers 24, 31, 39.

The difference between consecutive numbers is 1, 2, 3, 4. So the next difference will be... Added to 13 gives...

183 + 1 = 44 + 2 = 66 + 3 = 99 + 4 = 13Etc. The next number in the sequence would be 18, then 25, and so on.Ans 2.The previous answer contains an error.The next number in the sequence would be 18 (13 + 5),after which comes 24 (18 + 6 ) not 25.

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18

18

13 20 12

It is 24+7 = 31

18 (3+1 4+2 6+3 9+4 13+5)

Continuing the sequence would be the the numbers 24, 31, 39.

Unless you specify the length of the sequence, it is infinite, and so no number completes it. Given no further information, I would say the next number is 18. However, check out the link to the OEIS which gives a number of alternatives.

The difference between consecutive numbers is 1, 2, 3, 4. So the next difference will be... Added to 13 gives...

The number which best completes the sequence below is:1 1 3 2 4 6 5 25 ?

183 + 1 = 44 + 2 = 66 + 3 = 99 + 4 = 13Etc. The next number in the sequence would be 18, then 25, and so on.Ans 2.The previous answer contains an error.The next number in the sequence would be 18 (13 + 5),after which comes 24 (18 + 6 ) not 25.

4

It is: 10-3 = 7