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 4 of 13.

Prateek said:   5 years ago
Thanks @Akshara.
(1)

Loki said:   7 months ago
Nice explanation, Thanks all.
(1)

Iltja said:   7 months ago
Nice, very good for practice.
(1)

Shiva said:   6 months ago
Excellent. Thanks all for explaining.
(1)

Deepthi R said:   6 months ago
Great explanations, Thanks all.
(1)

Aruna said:   1 month ago
Thanks all for explaining.
(1)

Divya said:   1 decade ago
How any one come to know that this series will go like this?

Josh said:   1 decade ago
It doesn't even give enough of a pattern to discern this answer.

Kavya gupta said:   1 decade ago
But the is according to the question, confusing, I cannot understand what is given solution?

Sandeep said:   1 decade ago
It's so easy to understand first you all have to think which operation is going on the question then solve on the operation.


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