Question

please tell me the answer of this question and method also

Answer 1

Step-by-step explanation:

1+4=5

5+2+5=12

12+3+6=21

21+8+11=40

Answer 2

Answer:

8+11=40

Step-by-step explanation:

method

1+4=5

now 2+5

add the ones place no from predecessor ans and then add from tend place no