Question

1+2=21 2+3=36 3+4=43 4+5=?​

Answer 1

1+2=21 2+3=36 3+4=43 4+5=54

Answer 2

58 will be answer of 4+5.

Explanation:

There is a defined series in the question, which is declared by the help of the below formula.

• odd term of the series = reverse of the two number.
• even term of the series = reverse of the two number + 4.

For example,

1. The first series is 21, which is created by the help of '1+2', and it is a reverse of the '12'.
2. The second series is 36, which is created by the help of '2+3', and it is a reverse of the '23' with the addition of 4.
3. The third series is 43, which is created by the help of '3+4', and it is a reverse of the '34'.
4. So the fourth series is 58, which is created by the help of '4+5', and it is a reverse of the '45' with the addition of 4.
5. So the answer is 58.

Learn More:

• Series: https://brainly.in/question/10644220