The rate obtain
for a segment of a population is known as:
a) specific death rate
b) standardized rate
c) crude death rate
d) vital index
The vale that
appear more time in data is called :
a) Mean
b) Median
c) Mode
d) Harmonic mean
A polygon with
…………side is called a quadrilateral.
a) 2
b) 4
c) 6
d) 0
Nucleus occupies only ……..of the total volume of an atom.
a) 10-10
b) 10-12
c) 10-15
d) 10-17