What is the next number 1, 7, 17, 23, 33, ___ - mathselab.com

What is next number 1, 7, 17, 23, 33, ____?

Question


What is next number 1, 7, 17, 23, 33, ____?


A. 37
B. 39
C. 41
D. 43


Answer: B. 39


Solution:


7 – 1 = 6

17 – 7 = 10

23 – 17 = 6

33 – 23 = 10

So, are you able to see that numbers 6 & 10 are reoccurring.

Then; the next number will be

33 + 6 = 39

Hence, the 39 is your answer.




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