Question

What is the next number in the pattern below?

3,5,9, 15, 23,
A. 31
B. 33
C. 35
D. 37

Answer 1

33. this is going by 2,4,6,8,10. you add 2 to get 5 and add 4 to get to 9 and add 6 to get to 15 and add 8 to 23 and then add 10 to get 33

Answer 2

3,5,9,15,23

5-3=2

9-5=4

15-9=6

23-15=8

23+10=33

Answer is 33-B.