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:
83 comments Page 3 of 9.
Karmveer singh said:
7 years ago
The series likes this as 80 10 70 15 60 20 50 25 40 30 30 35 20 40 10 45 0 50.
Sowmya said:
7 years ago
Thanks a lot for explanation. It was very useful.
Ramesh said:
7 years ago
Thank you for explaining the answer.
Ganapati said:
7 years ago
Thanks for the given explanation.
Sharmila said:
7 years ago
Thanks for the answer.
Moinuddin said:
7 years ago
Thank you for all the given explanation.
Athulya k s said:
8 years ago
Thank you for the explanation.
Santhosh said:
8 years ago
Thanks for the explanation.
Gurmeet Soni said:
8 years ago
80,70,60 _"10"
10,15,20_ "5"
First Numbers " Subtraction"
80 - 10 = 70
70 - 10 = 60
Second Numbers " Addition"
10 + 5 = 15
15 + 5 = 20.
10,15,20_ "5"
First Numbers " Subtraction"
80 - 10 = 70
70 - 10 = 60
Second Numbers " Addition"
10 + 5 = 15
15 + 5 = 20.
(2)
Francois said:
8 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.
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