Logical Reasoning - Number Series - Discussion
Discussion Forum : Number Series - Type 1 (Q.No. 4)
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
4.
Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?
Answer: Option
Explanation:
In this simple alternating subtraction and addition series; 1 is subtracted, then 2 is added, and so on.
Discussion:
46 comments Page 5 of 5.
Divya said:
1 decade ago
You can also see 1st letter is odd number and second 2 letters are even numbers.
Akashdeep said:
10 years ago
1 minus 2 plus.
Aditya vamsi said:
9 years ago
Subtraction and adding series of the number 1and 2 takes place here.
Ankur Sharma said:
9 years ago
This is soo simple, take all series in two pairs like, (22, 21), (23, 22), (24, 23),(25,24), ....
Shiv dhakad said:
8 years ago
22-21 = 1,
21-23 = -2,
23-22 = 1,
22-24 = -2,
24-23 = 1,
23-25 = -2.
21-23 = -2,
23-22 = 1,
22-24 = -2,
24-23 = 1,
23-25 = -2.
Heidi said:
8 years ago
Really well explained, thanks @Kavi.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers