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 2 of 5.
Janhavi Landge said:
1 year ago
The simple alternating subtraction and addition series;
1 is subtracted then 2 is added
22 - 1 = 21,
21 + 2 = 23,
23 - 1 = 22,
22 + 2 = 24,
24 - 1 = 23,
23 + 2 = 25.
The correct answer is 25.
1 is subtracted then 2 is added
22 - 1 = 21,
21 + 2 = 23,
23 - 1 = 22,
22 + 2 = 24,
24 - 1 = 23,
23 + 2 = 25.
The correct answer is 25.
(5)
Shankar said:
1 year ago
I am understanding it now easily. Thanks all for explaining.
(4)
Rohit Singh said:
1 year ago
Yes, Option C is the correct answer.
(4)
Smruti said:
2 months ago
In this series, the first number(22) is subtracted with (-1) by the second number(21).
In other way, the second number(21) is add (+2) by the third number(23), and this series is continuously repeating.
i.e. means
22 - 1 = 21
21 + 2 = 23
23 - 1 = 22
22 + 2 = 24
24 - 1 = 23
Like this so,
Our Final Answer is in 23 we have to (+2) means 25.
Option (B).
In other way, the second number(21) is add (+2) by the third number(23), and this series is continuously repeating.
i.e. means
22 - 1 = 21
21 + 2 = 23
23 - 1 = 22
22 + 2 = 24
24 - 1 = 23
Like this so,
Our Final Answer is in 23 we have to (+2) means 25.
Option (B).
(3)
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.
21 + 2 = 23.
23 - 1 = 22.
22 + 2 = 24.
24 - 1 = 23.
23 + 2 = 25.
Hence answer = 25.
(3)
Komal Yadav said:
1 year ago
Yes, the answer will be 25.
(3)
Monalisha Satapathy said:
1 year ago
Agree, 25 is the correct answer.
(3)
Syed Aqidah said:
10 months ago
Agree, 25 is the right answer.
(3)
Ravi Kumar said:
8 months ago
Yes, 25 is the answer.
(3)
Dipti said:
1 decade ago
22-1=21.
21+2=23.
23-1=22.
22+2=24.
24-1=23.
23+2=25.
Hence answer =25.
21+2=23.
23-1=22.
22+2=24.
24-1=23.
23+2=25.
Hence answer =25.
(2)
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