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 5 of 11.
Jitumani Bhagabati said:
6 years ago
8 * 1 - 2 = 6
6 * 2 - 3 = 9
9 * 3 - 4 = 23
23 * 4 - 5 = 87
87 * 5 - 6 = 429.
6 * 2 - 3 = 9
9 * 3 - 4 = 23
23 * 4 - 5 = 87
87 * 5 - 6 = 429.
Suranjika Muni said:
1 decade ago
This is good process through which one will improve his/her mental ability.
Shaunak said:
9 years ago
It takes some time to solve, after practising it is easy now.
Thank you.
Thank you.
Bhoi said:
1 decade ago
This one is very tough and also the series is not so predictable.
Josh said:
1 decade ago
It doesn't even give enough of a pattern to discern this answer.
MADHUGUNDU SURYA said:
5 months ago
I am not getting this. Please, anyone explain it clearly to me.
Divya said:
1 decade ago
How any one come to know that this series will go like this?
Varaprasad said:
10 years ago
Only this question is thinkable one while compare to others.
Varaprasad said:
10 years ago
Only this question is thinkable one while compare to others.
Kanhu said:
10 years ago
8*1-2 = 6.
6*2-3 = 9.
9*3-4 = 23.
23*4-5 = 87.
87*5-6 = 429.
6*2-3 = 9.
9*3-4 = 23.
23*4-5 = 87.
87*5-6 = 429.
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