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:
129 comments Page 12 of 13.

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

Vinay Kumar said:   7 months ago
Please help me by explaining.
(4)

Saikishor said:   5 months ago
Good explanation. Thanks all.
(2)

Sandeep said:   1 decade ago
How to find this series set?

Abhishek said:   1 decade ago
Very easy series are there.

Adiii said:   2 days ago
Nice, very helpful. thanks.

Yedla Bhasker said:   2 years ago
Thanks all for explaining.
(9)

Aruna said:   9 months ago
Thanks all for explaining.
(5)

Suri said:   4 months ago
429 is the correct answer.
(2)

Abhishek said:   9 years ago
Any other simple formula?


Post your comments here:

Your comments will be displayed after verification.