No 1 - 5 help me hehehehehehehehehehehe

1. 15, 20, 25, 30, 35
2. 24, 27, 30, 33, 36, 39, 42, 45
3.
4.
5.
6. 1, 3, 5
7. 2

Maaf ya kl enggak bisa jawab dan salah.