Question

If 2+3=43 & 3+4=109 & 7+9=1138. Now 12+16=?

Answer 1

Answer:

1290.

Step-by-step explanation:

add all the digits in their position independently

2+3+7=12

3+4+9=16

43+109+1138=1290

Answer 2

Answer:

1290

adding all the terms in their respective positions

2+3=43

3+4=109

7+9=1138

so addin left-side also right side

(2+3+7 )+(3+4+9)=43+109+1138

12+16=1290