Question

12+21=9
11+22=8
41+21=15
32+15=30
Then
12+21=?

Answer 1

Answer:

It's already given that 12+21=9.

So, the answer is 9.

Step-by-step explanation:

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Answer 2

The correct answer is - 9.

Step-by-step explanation:

The given question provided the number system the provided information is -

12+21=9

11+22=8

41+21=15

32+15=30

and asked about the value accordingly of 12+21=?, which is already provided in the question itself so there is no need of finding the relation in between the the different equations.

From the question: 12+21=9.

Thus, the correct answer is - 9.

To learn more:

Number series : https://brainly.in/question/11466716