Logical Reasoning - Number Series - Discussion
Discussion Forum : Number Series - Type 1 (Q.No. 8)
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
8.
Look at this series: 3, 4, 7, 8, 11, 12, ... What number should come next?
Answer: Option
Explanation:
This alternating addition series begins with 3; then 1 is added to give 4; then 3 is added to give 7; then 1 is added, and so on.
Discussion:
38 comments Page 4 of 4.
Jhansi said:
9 years ago
As per my logic, we have to add 4 to alternate series.
Shree said:
1 decade ago
3, 4, 7|8, 11, 12.
3-7=4.
8-12=4.
Since 15-11=4.
3-7=4.
8-12=4.
Since 15-11=4.
Aditya said:
1 decade ago
3+1= 4
4+3= 7
7+1= 8
8+3= 11
11+1= 12
12+3=15
4+3= 7
7+1= 8
8+3= 11
11+1= 12
12+3=15
Priyambika pattnayak said:
3 years ago
Good answer, Thanks everyone for explaining.
(5)
Eshwar said:
7 years ago
Thanks for the logic @Shravan Kumar.
(1)
Ruthvik said:
5 years ago
Thanks all for answering it.
Prateek said:
4 years ago
Thanks everyone.
(4)
Sonal said:
1 decade ago
Good answer.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers