Logical Reasoning - Number Series - Discussion

Discussion Forum : Number Series - Type 1 (Q.No. 2)

Number Series

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

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:

105 comments Page 6 of 11.

Praveen said: 1 decade ago

Add 1 to the odd positioned (7, 8, 9, 10) numbers, and add 1 to the even positioned numbers (10, 11, 12).

Bharat said: 1 decade ago

One more thing every alternate number increase as 7, 8, 9, 10.

Kasi said: 1 decade ago

I want more explanation about this with more examples example.

Harikrishnan said: 1 decade 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?

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

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