Logical Reasoning - Number Series - Discussion

Discussion Forum : Number Series - Type 4 (Q.No. 9)
Directions to Solve
Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters

9.
Look at this series: 15, __, 27, 27, 39, 39, ... What number should fill the blank?
51
39
23
15
Answer: Option
Explanation:
In this simple addition with repetition series, each number in the series repeats itself, and then increases by 12 to arrive at the next number.
Discussion:
2 comments Page 1 of 1.

Naveen said:   6 years ago
Thank you @Nagesh.

Nagesh said:   1 decade ago
This is also possible.

39-12 = 27

27-12 = 15

27-12 = 15
(1)

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