Multiple and Factor Challenge

I am a multiple of 7. I am between 50 and 100. My ones digit is odd. Who could I be? (3 possibilities)

I am a multiple of 12 between 100 and 200. If you round me to the nearest 10, I round up. Who could I be? (3 possibilities)

I am a multiple of 9 between 50 and 110. I am also a multiple of 6. Who can I be? (4 possibilities)

I am a multiple of 30. If you round me to the nearest hundred, you get 400. Who could I be? (3 possibilities)