In mechanics, the three fundamental quantities are:

1. Length, mass, velocity
2. Mass, time, density
3. Mass, time, pressure
4. Length, mass, time

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

Which of the following unit is not a fundamental unit:

1. Metre
2. Litre
3. Second
4. Kilogram

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