# Sets, Relations and Functions-Functions and Composition (BITSAT Mathematics): Questions 1 - 9 of 14

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## Question number: 1

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

If , when and , then is equal to –

### Choices

Choice (4) Response

a.

b.

x

c.

a

d.

## Question number: 2

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

If , where is an integer and is a proper fraction, then is equal to –

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 3

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

If and , then for equals –

### Choices

Choice (4) Response

a.

1

b.

c.

0

d.

None of the above

## Question number: 4

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

If , then is equal to –

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 5

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

The number of bijective function from set A to itself when A contains 106 elements is –

### Choices

Choice (4) Response

a.

b.

c.

d.

106

## Question number: 6

» Sets, Relations and Functions » Functions and Composition

MCQ▾

If , then –

### Choices

Choice (4) Response

a.

is not derivable at

b.

c.

d.

## Question number: 7

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

If , then equal –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 8

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

If ; then is equal –

### Choices

Choice (4) Response

a.

2

b.

0

c.

1

d.

None of the above

## Question number: 9

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

Set A has 3 elements and set B has 4 elements. The number of injection that can be defined from A to B is –

### Choices

Choice (4) Response

a.

64

b.

12

c.

144

d.

24

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