Question # 1

If f is a function from A to B, then f is one - one function if:

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Range f≠ A

Range f = B

Dom f = A

Second element of all ordered pairs contained in f is not repeated.

Venn diagram was first used by......................

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John Venn

Netwon

Arthur Cayler

John Napier

Coding formula of group data of the arithmetic mean is:

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X̅ = ∑fX/∑f

X̅ = ∑fD/∑f

X̅ = A + ∑fu/∑f x h

X̅ = A + ∑fu/∑f

If number of elements in set A is 3 and in set B is 4 then number of elements in AxB is:

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3

4

12

7

If f is a function from A to B, then f is onto function if:

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Range f≠ A

Range f = B

Dom f = A

Second element of all ordered pairs contained in f is not repeated.

Which of the following is associative law of union?

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A∪ (B ∪ C) = (A∪ B)∪ C

A∩ (B∩C)= (A∩B)∩C

A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)

A∩(B∪ C) = (A∩B)∪(A∩C)

The relation R = {(1,2),(2,3),(3,3),(3,4)} IS:

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Not a function

Onto function

One-One function

Into function

Formula of variance is group data is:

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Which of the following is distributive property of union over intersection?

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A∪ (B ∪ C) = A∪ (B∪ C)

A∩ (B∩C)= (A∩B)∩C

A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)

A∩(B∪ C) = (A∩B)∪(A∩C)

The formula of range is:

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X_max -X_min

X_max + X_min

groups/wight

none of these

if A∩ b =∅, then set A and B are .................sets.

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sub

over kaooubg

Disjoint

Power

If union and intersection of two sets are equal then sets are..............sets.

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Disjoint

Overlapping

Equal

Super

The point (4,-6) lies in..................quadrant.

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I

II

III

IV

If A has two elements and B has 3 elements, then number of binary relations in A x B is __________

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2 x 3

2³

2⁶

2²

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

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