Question

What number (X) comes next in the series (17, 9, 18, 7, 19, 5, 20, X)
3
4
16
21
23

Answer 1

Answer:

17, 9, 18, 7, 19, 5, 20, X

Bold: 17, 18, 19, 20, .....

Other: 9, 7, 5, 3, 1 ....

I think the answer is 3

Answer 2

By finding the pattern, we conclude that the next number in the sequence is 3.

What number comes next in the series?

We have the sequence:

17, 9, 18, 7, 19, 5, 20, x.

Here the pattern is kinda simple.

First, we have a two-digit number which increases by one unit (on the odd positions). Then we have a single-digit number that decreases by two (on the even positions).

Then we will have:

x = 5 - 2 = 3

We conclude that the next number in the sequence is 3, we get:

17, 9, 18, 7, 19, 5, 20, 3.

If you want to learn more about sequences:

https://brainly.com/question/6561461

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