Question

2510, 3412, 3618, ?

1) 3578
2) 6432
3) 4520
4) 2360

Answer 1

can you give a proper question ?
its not easy to understand what you want to ask

Answer 2

Answer:

25+9=34, 10+2=12 3412

36+9=45, 18+2=20 4520