Which planet is the least dense? Saturn

Which of the following planet has rings around its surface? Saturn

1. It no more orbits the Sun
2. It is not heavy enough to clear other space rocks out of its path
3. It is not round
4. None of these

1. Saturn
2. Earth
3. Jupiter
4. None of these

1. Sun
2. Mercury
3. Venus
4. None of these

1. Jupiter
2. Venus
3. Mars
4. Mercury

1. Jupiter
2. Mars
3. Earth
4. None of these