Denoting Measurements and Units

Q. Arrange the following units in descending order of length.

1. Kilometre
2. Decametre
3. Centimetre
4. Millimetre

Q. How many millimetres are there in 100 centimetres?

1. 100 millimetres
2. 1000 millimetres
3. 10 millimetres
4. $\frac{1}{1000}$ millimetres

Q. How many millimetres are there in 100 centimetres?

1. 100 millimetres
2. 1000 millimetres
3. 10 millimetres
4. $\frac{1}{1000}$ millimetres

Q. What is my weight?

1. $\frac{7}{8}kg$
   
2. $\frac{10}{4}kg$
   
3. $\frac{5}{4}kg$
4. $\frac{8}{9}kg$