Question

1,5,9,13 complete the next

Answer 1

We need to determine the pattern

1,5,9,13

How do we get from 1 to 5

We add 4

How do we get from 5 to 9

Add 4

How do we get from 9 to 13

Add 4

We are adding 4

13 + 4 = 17

17+4 = 21

21+4 = 25

The next 3 items in the sequence is

17,21,25