3,9,7,13,11,17,15 what are the next four pattern below ?

Question

Jaynater · Answer

Try to look at the difference between numbers from one to the next, and what do you notice?

Zari · Answer

21,23,17,19 
13,11,17,23
13,19,17.23
21,19,25,23

umm · Answer

If you look at the pattern, it continues as +6 -2 +4 and again. 
Which one do you think it may be?

Zari · Answer

@umm wrote:

If you look at the pattern, it continues as +6 -2 +4 and again. Which one do you think it may be? tbh I think its 13,19,17,23

Icyhot · Answer

@zari wrote:

@icyhot

I suck at Maths

Zari · Answer

@icyhot wrote:

@zari wrote:

@icyhot

I suck at Maths oh lord

snowflake0531 · Answer

+6 -2
3,9,7,13,11,17,15
3+6=9
9=2=7
etc
17-2=15
so then you should add 6 to 15

Zari · Answer

@snowflake0531 wrote:

+6 -2 3,9,7,13,11,17,15 3+6=9 9=2=7 etc 17-2=15 so then you should add 6 to 15 okay

snowflake0531 · Answer

so what number comes after 15

Zari · Answer

@snowflake0531 wrote:

so what number comes after 15 20

snowflake0531 · Answer

stop quoting me each time

and no, 15+6 is not 20

Zari · Answer

@snowflake0531 wrote:

stop quoting me each time and no, 15+6 is not 20 I meant 21*

snowflake0531 · Answer

okay, so you can eliminate two answers

now, after adding 6, you need to subtract two
what is 21-2

Zari · Answer

19

snowflake0531 · Answer

so the following pattern would be 21 then 19
you have your answer now

Zari · Answer

okay