Logical Reasoning - Number Series - Discussion
Discussion Forum : Number Series - Type 1 (Q.No. 2)
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
2.
Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?
Answer: Option
Explanation:
This is a simple alternating addition and subtraction series. In the first pattern, 3 is added; in the second, 2 is subtracted.
Discussion:
112 comments Page 7 of 12.
Harikrishnan said:
2 decades ago
It has the alternating series as 7, 8, 9 and 10, 11, 12. So the next series will be 10, 13. Like that.
Somu.k said:
1 decade ago
7+3=10
10-2=8
8+3=11
11-2=9
9+3=12
12-2=10
So, Answer is 10.
This is correct or not?
10-2=8
8+3=11
11-2=9
9+3=12
12-2=10
So, Answer is 10.
This is correct or not?
Jabin said:
1 decade ago
Correct.
Juhi said:
1 decade ago
Thanks Somu.K great explain. Thanks. Friend.
Gaurav said:
1 decade ago
Somu is right
Balvir said:
1 decade ago
7+3=10-2=8+3=11-2=9+3=12-2=10 Ans
Shanthi said:
1 decade ago
7+3=10-2=8+3=11-2=9+3=12-2=10
Sharanya said:
1 decade ago
This answer is simple.
1st add 3, next subtract 2.
7+3=10.
10-2=8.
8+3=11.
11-2=9.
9+3=12.
12-2=10.
Answer 10.
1st add 3, next subtract 2.
7+3=10.
10-2=8.
8+3=11.
11-2=9.
9+3=12.
12-2=10.
Answer 10.
Bhushan Salunkhe said:
1 decade ago
7+3=10
10-2=8
8+3=11
11-2=9
9+3=12
12-2=10
Because look the series of addition and subtraction 1st add 3 you get 10 then subtraction 2 you get 8 same next again add 3 get 11.
Again same - 2 get 9 again add 3 get 12 obviously next is subtraction 12-2 = 10.
The series + - + - + -
10-2=8
8+3=11
11-2=9
9+3=12
12-2=10
Because look the series of addition and subtraction 1st add 3 you get 10 then subtraction 2 you get 8 same next again add 3 get 11.
Again same - 2 get 9 again add 3 get 12 obviously next is subtraction 12-2 = 10.
The series + - + - + -
Debendra said:
1 decade ago
7+3=10
8+3=11
9+3=12
10+3=13
Answer 10
8+3=11
9+3=12
10+3=13
Answer 10
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