Logical Reasoning - Number Series - Discussion

Discussion Forum : Number Series - Type 4 (Q.No. 12)
Directions to Solve
Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters

12.
Look at this series: 4, 7, 25, 10, __, 20, 16, 19, ... What number should fill the blank?
13
15
20
28
Answer: Option
Explanation:
Two series alternate here, with every third number following a different pattern. In the main series, 3 is added to each number to arrive at the next. In the alternating series, 5 is subtracted from each number to arrive at the next.
Discussion:
27 comments Page 3 of 3.

RSGHU said:   8 years ago
I didn't understand it. Anyone, can explain me the series?
(1)

Sanjeev said:   8 years ago
What is the next number of 4, 3, 4, 7, 15?

Solve it.

Rhytham patel said:   1 decade ago
Not understanding still, explain with other example.

Sanju said:   2 decades ago
Please tell me how everystep in this qus doing?
(1)

Nandita said:   4 years ago
I am not getting it clearly could anyone help?
(8)

Arun said:   3 years ago
Thanks Everyone for explaining the answer.
(2)

Varun said:   1 decade ago
Thanks kaushik, it's really help me!


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