Unit Conversions

Q. Find the difference between the heights of two towers A and B, if the height of tower A and tower B is $112m$ and $17575cm$ tall respectively.

1. $63.25m$
2. $63.35m$
3. $53.25m$
4. $63.75m$

Q.

Write the unit place of ${168}^2$.

Q.

Express the given number in the scientific notation:

$6.0012$

Q. $25picometre$ $=$_________$centimetre$

1. $25\times {10}^{-8}cm$
2. $25\times {10}^{-19}cm$
3. $25\times {10}^{-14}cm$
4. $25\times {10}^{-10}cm$

Q. $5\times {10}^{9}metre$ can be written as ______.

1. 5 gigametre
2. 5 petametre
3. 5 yottametre
4. 5 kilometre

Q.

A ribbon of length $20.75m$ is cut into 5 equal pieces. What is the length of each ribbon piece?

1. $41.5cm$

2. $415cm$

3. $4.15cm$

4. $0.415cm$

Q. A bag contains a book weighing $2kg$, a box weighing $375g$ and a notebook weighing $0.1kg$. What is the total weight of the bag?

1. $2375g$
2. $2475g$
3. $3475g$
4. $2465g$

Q.

Convert $342$ $dL$ into $Kilolitres$ .

Q. 3 kg +4 gm = kg.

1. 3.04
2. 3.004
3. 3.4

Q. $25exagram$ $=$_________$yottagram$

1. $25\times {10}^{-24}$
   
2. $25\times {10}^6$
   
3. $25\times {10}^{-6}$
   
4. $25\times {10}^{24}$
   

Q.

$10m{s}^{-1}$ is equal to $36kmh{r}^{-1}$.

1. True

2. False

Q. Prefix hecto is equivalent to ________ .

1. 100
2. 10000
3. 0.0001
4. 0.001

Q.

1 $m/s$ = ____ $km/hr$

1. $\frac{18}{5}$

2. $\frac{5}{18}$

3. $\frac{11}{5}$

4. $\frac{18}{15}$

Q. $17\frac{1}{2}kilogram=\underset{–}{}gram$.

1. $17500$
2. $17800$
3. $17300$
4. $18500$

Q. 5 km = ____ mm

1. 50, 000
2. 500
3. 50, 00, 000
4. 5, 00, 000