How many units are fundamental and supplementary?

1. 2 fundamental, 7 supplementary
2. 3 fundamental, 6 supplementary
3. 7 fundamental, 2 supplementary
4. 4 fundamental, 5 supplementary

The fundamental unit is —

1. newton
2. pascal
3. hertz
4. second

One astronomical unit is equal to:

1. 1.496 x 10¹¹ metre
2. 1.596 x 10¹² metre
3. 1.498 x 10¹⁰ metre
4. 1.398 x 10¹¹ metre

The distance of stars from earth is generally measured in:

1. Kilometre
2. Light year
3. Angstrom
4. Fermi