Question

Look at the series:12, 11, 13, 12, 14, 13,.... What number should come next and why??

A. 10
B. 16
C. 13
D. 15​

Answer 1

Answer: Option D. This is an alternating number of subtraction series. First, 1 is subtracted, then 2 is added.

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Answer 2

Step-by-step explanation:

12-11=1

11-13=-2

13-12= 1

12-14=-2

14-13=1

therefore

D. is your answer

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