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?
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:
110 comments Page 1 of 11.
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.
Shaifali said:
1 decade ago
I can not understand what is given solution?
Sameer badoliya said:
1 decade ago
Its very simple according competitions because its can solve by 10 standard students.
Arun said:
1 decade ago
No one can predict what comes next, if the series is given like this and the rest of the questions are good but very easy.
Nand Kishore said:
1 decade ago
It very complicated but very easy if understand thanks to the all persons commented on this, which make me understand so nicely and perfectly.
Samuel said:
1 decade ago
No one can guess it. How difficult it is.
Laxmikanth Jamadar said:
1 decade ago
Yes ! Your Right Sir after 429 number should come next 2567.
It is 429*6-7= 2567 so that again calculate continuously...
It is 429*6-7= 2567 so that again calculate continuously...
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers