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Q: What number should come next in the series 1 - 1 - 2 - 3 - 5 - 8 13 -?

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The next number is -21

the answer will be 21

10

225

This is the series of square numbers, (16= 4*4). The next number is 5*5=25.

21

21

21.

The next number is 25 but there are the sequence is infinite so there can be no end to the sequence.

A single number, such as 12848384 does not make a series.

A single number, such as 364758 does not describe a sequence, nor a series.

Well, the pattern is the previous number plus the current number. So the next three numbers would be 21, 34, 55...

In a series of numbers, there are rhythms that change. In the order of 100, 140, and 40, the number that would come next would be 80 because 40 should be added.

This is the Fibonacci Series, where each term is the sum of the previous two. It continues 21, 34, 55 etc

360 8-16

The Pattern is 1^2- 2^2- 3^2- 4^2- 5^2 or 1 - 4 - 9 - 16 - 25 The next number in the series is 6^2 or 36

Since this appears to be the start of the Fibonacci sequence, the next number would be 21, which is found by adding the two previous numbers (8 + 13 = 21).

its over but a new series by Riordan should show up around may

A single number, such as 364758 does not describe a sequence, nor a series.

30

50

The series appears to increase as follows: 1 (+3), 4 (+5), 9 (+7), 16,, etc. If so, the next number in the series would be 25 (16 + 9). * * * * * While mathematically equivalent, a simpler description is: 12, 22, 32, 42, 52 ...

59 is the next number in this series.

The next number in the series is 13112221.

This is the Fibonacci Series. Each term is the sum of the two previous terms. It continues 21, 34, 55, 89 ...