Question # 1

If A ={0,1,2}, B={2,3,4,5} , then A∪B are:

Choose an answer

Empty sets

Equal sets

Overlapping sets

Disjoint set

If A⊆ B then A⋃ B = __________

Choose an answer

A

B

∅

None of these

If x∈ U and x∉ A, then {x} is equal to ....................

Choose an answer

U^c

A^c

∅^c

A - U

Coding formula of group data of the arithmetic mean is:

Choose an answer

X̅ = ∑fX/∑f

X̅ = ∑fD/∑f

X̅ = A + ∑fu/∑f x h

X̅ = A + ∑fu/∑f

If A⊆ B the A⋂ B = ______

Choose an answer

A

B

∅

A⋃ B

The formula of group data of the median is:

Choose an answer

l + h/f (n/2 -c)

l +∑fx/∑f x n,

l + f_m- f₁/2f_m - f₁ - f₂ x n,

A + ∑fu/∑f x n

O - E = ............

Choose an answer

∅

O

E

Z

U' = ________________

Choose an answer

U

A

A'

φ

The harmonic mean of the observation 0,15,12, is:

Choose an answer

3.7

7.3

6.7

no harmonic mean

The set having only one element is called.

Choose an answer

Null set

Power set

Singleton set

Subset

A set with no element is called:

Choose an answer

Subset

Empty set

Singleton set

Super set

The total of frequency up to an upper class limit or boundary is called:

Choose an answer

frequency

class frequency

cumulative frequency

relative frequency

A collection of well-defined distinct objects is called.

Choose an answer

subset

Power set

Set

None of these

A subset of A x A is called.................. in A.

Choose an answer

Set

Relation

Function

Info function.

If A⊆ B and B⊆ a , then

Choose an answer

A = B

A≠ B

A∩ B =∅

A∪ B =∅

Power set of an empty set is.

Choose an answer

∅

{a}

{∅,{a}}

{∅}

More Classes

Other Links

Mathematics 10th Class English Medium Unit 5 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer