# 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
Explanation:
In this simple alternating subtraction and addition series; 1 is subtracted, then 2 is added, and so on.
Discussion:
33 comments Page 1 of 4.

Kishor said:   6 months ago
(6)

Shrikath kori said:   11 months ago
22-1=21,
21+2=23,
23-1=22,
22+2=24,
24-1=23,
23+2=25.
(28)

Kavya said:   1 year ago
The logic of the Series is -1, +2 so the answer is 25.
(17)

Shigella said:   2 years ago
Thanks everyone for explaining the answer.
(6)

Rajitha said:   3 years ago
logical of this problem is;

22 - 1 = 21
21 + 2 = 23
23 - 1 = 21
21 + 2 = 23
23 - 1 = 22
22 + 2 = 25
(4)

Samata H S said:   3 years ago
Here There are two series one is 22, 23, 24, 25.

Another one 21, 22, 23, 24.
(8)

Sathwik said:   3 years ago
22 - 1 = 21.
23 - 1 = 22.
24 - 1 = 23.
25 - 1 = 24.
So. it comes as 21, 22, 23, 24.
(2)

Subhamita Dutta said:   4 years ago
Thanks for explaining the solution.
(2)

Dayanidhi parida said:   6 years ago
Thanks for explaining the solution.
(1)

Heidi said:   6 years ago
Really well explained, thanks @Kavi.