# Mathematics-Multiples and Factors (NSTSE (National Level Science Talent Search Examination) Class 4): Questions 63 - 72 of 99

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## Question number: 63

» Mathematics » Multiples and Factors

MCQ▾

### Question

In this which of the following number is unique.

### Choices

Choice (4) Response

a.

1

b.

4

c.

0

d.

5

## Question number: 64

» Mathematics » Multiples and Factors

MCQ▾

### Question

The composite number just before 40 is:

### Choices

Choice (4) Response

a.

44

b.

38

c.

41

d.

39

## Question number: 65

» Mathematics » Multiples and Factors

MCQ▾

### Question

23 is a factor of:

### Choices

Choice (4) Response

a.

92

b.

68

c.

88

d.

54

## Question number: 66

» Mathematics » Multiples and Factors

MCQ▾

LCM of 3, 7 is:

### Choices

Choice (4) Response

a.

18

b.

15

c.

24

d.

21

## Question number: 67

» Mathematics » Multiples and Factors

MCQ▾

### Question

Dev wrote two digits of a 3-digit number on the blackboard as shown below.

Find the missing digit if it has 3 and 35 as factors?

### Choices

Choice (4) Response

a.

1

b.

6

c.

3

d.

4

## Question number: 68

» Mathematics » Multiples and Factors

MCQ▾

### Question

The sum of composite numbers between 11 and 20 is:

### Choices

Choice (4) Response

a.

75

b.

95

c.

105

d.

85

## Question number: 69

» Mathematics » Multiples and Factors

MCQ▾

### Question

1 is ________. (Model Test Paper)

### Choices

Choice (4) Response

a.

Either a prime number or a composite number

b.

A composite number

c.

Neither a prime number nor a composite number

d.

A prime number

## Question number: 70

» Mathematics » Multiples and Factors

MCQ▾

### Question

A number is divisible by 10, the number is:

### Choices

Choice (4) Response

a.

620

b.

238

c.

621

d.

525

## Question number: 71

» Mathematics » Multiples and Factors

MCQ▾

### Question

The sum of digits is divisible by 9, the number is:

### Choices

Choice (4) Response

a.

300

b.

164

c.

256

d.

279

## Question number: 72

» Mathematics » Multiples and Factors

MCQ▾

### Question

The unique number is:

### Choices

Choice (4) Response

a.

0

b.

2

c.

1

d.

3

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