Logical Reasoning - Number Series - Discussion

Discussion Forum : Number Series - Type 1 (Q.No. 19)
Directions to Solve
In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much

19.
Look at this series: 8, 6, 9, 23, 87 , ... What number should come next?
128
226
324
429
Answer: Option
Explanation:

8 x 1 - 2 = 6
6 x 2 - 3 = 9
9 x 3 - 4 = 23
23 x 4 - 5 = 87
87 x 5 - 6 = 429 ...

Discussion:
122 comments Page 6 of 13.

Varaprasad said:   1 decade ago
Only this question is thinkable one while compare to others.
(1)

Kanhu said:   1 decade ago
8*1-2 = 6.
6*2-3 = 9.
9*3-4 = 23.
23*4-5 = 87.
87*5-6 = 429.

Syed Mahi Ahmed said:   9 years ago
Thanks everybody for the explanation. Now I understand this.

Lekha said:   1 month ago
Good and very helpful. Thanks all for explaining the answer.

Vivek said:   9 years ago
Please, anyone provide a brief solution for Shoeb Question.

Princy said:   10 years ago
In which way we can imagine the solution of such problem?

Sowjy said:   1 decade ago
9 8 12 27 92 435.

7 a b c d e f.

What is the c place?

Aadarsh Yadav said:   3 months ago
The series logic starts with the pattern: 6, 9, 23, 87.

Raju Maurya said:   6 months ago
Very interesting. Thanks all for giving explanations.

Prithvi said:   1 decade ago
Understand the given solution we can easy to solve.


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