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 7 of 9.
Akram said:
1 decade ago
I Don't understand please explain me in a simple Fraction.
Nand Kishore said:
1 decade ago
Thanks a lot to the person who explained in detail.
Vinil said:
1 decade ago
Third number = first number-10, fifth number = third number-10.
Fourth number = second number + 5, fourth number + 5 = sixth number.
Therefore here 20 is answer.
Fourth number = second number + 5, fourth number + 5 = sixth number.
Therefore here 20 is answer.
Varun said:
1 decade ago
10+5=15
15+5=20
15+5=20
Anil said:
1 decade ago
Please tell me next number in the series 1, 4, 5, 6, 7, 8, 9, 11, ?
RAVI KUMAR said:
1 decade ago
Thanks sundar
Disha said:
9 years ago
Thanks for explaining the solution.
Sai Abhipsa said:
8 years ago
Thanks to all for the explanation.
Ravindra said:
8 years ago
The 1st pattern like 80-70-60 here added 10.
Now, the 2nd pattern 10-15-20 here added 5.
Now, the 2nd pattern 10-15-20 here added 5.
Saba marium said:
1 decade ago
Thanks for explaining.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers