Unit, Fractions

1. What are the two classifications of system of units?
A   :   British and Metric
B   :   Gravitational and non-gravitational
C   :   Fundamental and derived
D   :   Metric and International

2. What are fundamental units?
A   :   Length, Mass, Volume
B   :   Length, Mass, Time
C   :   Length, Mass, Area
D   :   Length, Pressure, Volume

3. What denotes letter M in MKS system?
A   :  Mile
B   :  Meter
C   :  Millimeter
D   :  Micron

4. How many millimeters are there in 1 inch?
A   :   2.54 mm
B   :   25.4 mm
C   :   24.5 mm
D   :   2.45 mm

5. What is the LCM of 12, 18, 6, 36?
A   :   12
B   :   18
C   :   36
D   :   42

6. What is the HCF of 18, 42, 24?
A   :   2
B   :   6
C   :   18
D   :   24

7. What is the improper fraction for the given mixed fraction $\displaystyle 7\frac{7}{3}$?
A  :  $\displaystyle \frac{52}{7}$
B  :  $\displaystyle \frac{7}{52}$
C  :  $\displaystyle \frac{28}{7}$
D  :  $\displaystyle \frac{7}{28}$

8. Convert decimal 0.000659 to fraction?
A  :  $\displaystyle \frac{659}{1000}$
B  :  $\displaystyle \frac{659}{10000}$
C  :  $\displaystyle \frac{659}{100000}$
D  :  $\displaystyle \frac{659}{1000000}$

9. Simplify $\displaystyle \frac{3}{4}+\frac{2}{5}-\frac{5}{20}$
A  :  $\displaystyle \frac{3}{10}$
B  :  $\displaystyle \frac{9}{10}$
C  :  $\displaystyle \frac{12}{10}$
D  :  $\displaystyle \frac{13}{10}$

10. Divide:  $\displaystyle \frac{20}{31}\div \frac{15}{62}$
A  :  $\displaystyle 2\frac{4}{3}$
B  :  $\displaystyle 2\frac{1}{3}$
C  :  $\displaystyle 2\frac{3}{2}$
D  :  $\displaystyle 2\frac{2}{3}$

11. What is the product of 0.003 x 0.5?
A   :   0.00015
B   :   0.0015
C   :   0.015
D   :   0.15

12. Simplify:  $\displaystyle \frac{17.49 \times 5.2}{6.5}$
A   :   13.69
B   :   13.79
C   :   13.89
D   :   13.99

13. What is the length of each part is a copper wire of 225 meter long is cut into 900 equal parts?
A   :   0.23 meter
B   :   0.25 meter
C   :   0.28 meter
D   :   0.29 meter