1 |
If A⊆ B then A∪ B is equal to |
A
B
∅
None of these
|
2 |
The number of element in power set {1.2.3} is. |
4
8
6
9
|
3 |
Power set of an empty set is. |
∅
{a}
{∅,{a}}
{∅}
|
4 |
The set having only one element is called. |
Null set
Power set
Singleton set
Subset
|
5 |
The set {x/x∈W ^x≤ 101} is.
|
Infinite set
Sub set
Null set
Finite set
|
6 |
A set with no element is called. |
Subset
Empty set
Singleton set
Super set
|
7 |
The different number of way to describe a set are. |
1
2
3
4
|
8 |
A collection of well-defined distinct objects is called. |
subset
Power set
Set
None of these
|
9 |
Formula of variance is group data is: |
|
10 |
When the number of observations of a set of data is even then the median formula is: |
|
11 |
Formula to determine the size of a class is: |
X<sub>max</sub> - X<sub>min</sub>
X<sub>max</sub> + X<sub>min</sub>
Range/number of groups
number of groups/Range
|
12 |
Diameter of a a circle divides it into many parts? |
two
three
four
countless
|
13 |
In a circle, the tangents drawn at the ends of a chord make equal _with that chord |
square
angle
cube
circle
|
14 |
The length of a tangent to a circle is from the given point to the point of: |
start point
enc points
contact
collinear
|
15 |
Tangent drawn at the ends of diameter of a circle of___________ to each other: |
parallel
perpendicular
collinear
none parallel
|