# Algebra-Operations on Sets (NDA (National Defence Academy) Mathematics): Questions 7 - 13 of 14

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## Question number: 7

» Algebra » Operations on Sets

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Appeared in Year: 2012

MCQ▾

### Question

If and are any two sets, then what is equal to?

### Choices

Choice (4) Response

a.

A

b.

Complement of B

c.

Complement of A

d.

B

## Question number: 8

» Algebra » Operations on Sets

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MCQ▾

### Question

and are two matrices such that and then what is equal to :

### Choices

Choice (4) Response

a.

X

b.

Y

c.

1

d.

-1

## Question number: 9

» Algebra » Operations on Sets

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Appeared in Year: 2012

MCQ▾

### Question

If are two non-empty sets having elements in common, then what is the number in the sets

### Choices

Choice (4) Response

a.

b.

2n

c.

n

d.

Zero

## Question number: 10

» Algebra » Operations on Sets

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MCQ▾

### Question

and are two matrices such that and then what is equal to?

### Choices

Choice (4) Response

a.

2

b.

1

c.

3

d.

## Question number: 11

» Algebra » Operations on Sets

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MCQ▾

### Question

For all sets and is . Is this equation satisfied?

### Choices

Choice (4) Response

a.

Yes

b.

No

c.

None of the above

d.

Question does not provide sufficient data or is vague

## Question number: 12

» Algebra » Operations on Sets

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MCQ▾

### Question

If and are two sets, then what is equal to?

### Choices

Choice (4) Response

a.

b.

{1,3, 4,5}

c.

{1,3, 4}

d.

{1,5, 6,7}

## Question number: 13

» Algebra » Operations on Sets

Edit

Appeared in Year: 2012

MCQ▾

### Question

Let is a square of a natural number and is less than and is a set of even natural numbers. What is cardinality of ?

### Choices

Choice (4) Response

a.

9

b.

4

c.

5

d.

All of the above

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