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:
117 comments Page 3 of 12.
Devesh kumar kashyap said:
1 year ago
Thank you all for your explanation.
(14)
Siva said:
2 years ago
Thanks, everyone, Good luck to all.
(5)
Tejeswani said:
2 years ago
Thanks everyone for giving explanation.
(9)
Nandini said:
2 years ago
@All.
Here is my explanation.
8 * 1 = 8 - 2 = 6.
6 * 2 = 12 - 3 = 9,
9 * 3 = 27 - 4 = 23,
23 * 4 = 92 - 5 = 87,
87 * 5 = 435 - 6 = 429.
Here is my explanation.
8 * 1 = 8 - 2 = 6.
6 * 2 = 12 - 3 = 9,
9 * 3 = 27 - 4 = 23,
23 * 4 = 92 - 5 = 87,
87 * 5 = 435 - 6 = 429.
(31)
Asha said:
2 years ago
Thank you everyone for explaining the answer.
(16)
Joana Castro said:
2 years ago
Good, Thanks, everyone.
(15)
Krishna Pratap Mahat Nepal said:
3 years ago
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.
outcome * (n-1)-n.
6 x 2 - 3 = 9,
9 x 3 - 4 = 23,
23 x 4 - 5 = 87,
87 x 5 - 6 = 429.
outcome * (n-1)-n.
(71)
Mathpati ashwini said:
3 years ago
Very helpful explanation, thank you so much.
(25)
Vengence said:
3 years ago
Very helpful. Thank you, everyone.
(17)
Raju patanker said:
3 years ago
Very good explanation. Thanks.
(15)
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