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?
22
24
25
26
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 2 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.

Sudhansu said:   9 years ago
Series of -1 then +2, therefore the answer is 25.

Siraj Dal said:   9 years ago
There is a 2 no.of sequence.

22, 21
23, 22
24, 23
?(25), 24
(1)

Aditya vamsi said:   9 years ago
Subtraction and adding series of the number 1and 2 takes place here.

M.RAGHURAM PGDM 1 said:   9 years ago
It is simple and the logic is take 1 difference and add 2 alternatively.
(1)

Jhansi said:   9 years ago
Logic of this problem is alternate addition to the numbers.
(1)

K.sujitha said:   9 years ago
For an alternative number, we have to add 1.
(1)

SATHISHKUMAR said:   9 years ago
22 - 1 = 21.
21 + 2 = 23.
23 - 1 = 22.
22 + 2 = 24.
24 - 1 = 23.
23 + 2 = 25.

Hence answer = 25.
(3)

Zhia said:   9 years ago
Now, I understand this. Thanks :).
(1)


Post your comments here:

Your comments will be displayed after verification.