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 complementary?

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

Which of the following unit is not a fundamental unit:

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

One millimeter is …………… part of a metre:

1. One hundredth
2. One thousandth
3. One billionth
4. One millionth