Answer
13
Work Step by Step
1,4,1,7,1,10,1,_
Above series is the pattern of (1,4), so in the next pattern 1 remains same but 3 is added to 4
So 10 + 3 = 13
therefore the next number is 13
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 1 - Problem Solving and Critical Thinking - 1.1 Inductive and Deductive Reasoning - Exercise Set 1.1 - Page 11: 18
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