Logical Reasoning - Number Series - Discussion
Discussion Forum : Number Series - Type 1 (Q.No. 16)
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
16.
Look at this series: 80, 10, 70, 15, 60, ... What number should come next?
Answer: Option
Explanation:
This is an alternating addition and subtraction series. In the first pattern, 10 is subtracted from each number to arrive at the next. In the second, 5 is added to each number to arrive at the next.
Discussion:
84 comments Page 4 of 9.
Francois said:
9 years ago
80, 70, 60 divided 5 gives first series 16, 14, 12...
10, 15 ?
10= 5*2.
15= 5*3.
20=5*4 my answer is 20.
10, 15 ?
10= 5*2.
15= 5*3.
20=5*4 my answer is 20.
Cyril C Oommen said:
9 years ago
Thanks for the clarification.
Santoshi said:
9 years ago
Thank you all.
Bhavya said:
9 years ago
80-10=70,
70-10=60 with respect to the first series.
10+5=15,
15+5=20 my answer is 20.
70-10=60 with respect to the first series.
10+5=15,
15+5=20 my answer is 20.
Harika said:
6 years ago
Thanks for your explanation.
Priyesh Singh said:
5 years ago
I understand this, Thanks to all.
Alekhya said:
5 years ago
Thanks @Sundar.
Swetha venna said:
5 years ago
Thanks @Sundar.
GUPTA said:
4 years ago
Thanks for explaining the solution @Sundar.
Geeta shrestha said:
4 years ago
-10, +5.
80-10 = 70.
10+5 = 15 so on,
So, the answer is 20,50.
80-10 = 70.
10+5 = 15 so on,
So, the answer is 20,50.
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