# Mathematics-Multiples and Factors (NSTSE (National Science Talent Search Exam- Unified Council) Class 4): Questions 48 - 58 of 99

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## Question number: 48

» Mathematics » Multiples and Factors

MCQ▾

### Question

LCM of 12 and 20 is:

### Choices

Choice (4) Response

a.

40

b.

48

c.

72

d.

60

## Question number: 49

» Mathematics » Multiples and Factors

MCQ▾

### Question

The sum of least prime number and the least composite number is:

### Choices

Choice (4) Response

a.

7

b.

9

c.

6

d.

3

## Question number: 50

» Mathematics » Multiples and Factors

MCQ▾

### Question

The number 36 has ________.

### Choices

Choice (4) Response

a.

5 factors

b.

9 factors

c.

7 factors

d.

3 factors

## Question number: 51

» Mathematics » Multiples and Factors

MCQ▾

### Question

LCM of 8 and 12 is:

### Choices

Choice (4) Response

a.

72

b.

32

c.

24

d.

42

## Question number: 52

» Mathematics » Multiples and Factors

MCQ▾

### Question

What is the difference between the least common multiple and least common factor of the numbers 15 and 20 (except 1)?

### Choices

Choice (4) Response

a.

40

b.

60

c.

55

d.

45

## Question number: 53

» Mathematics » Multiples and Factors

MCQ▾

### Question

________ is a factor of every number.

### Choices

Choice (4) Response

a.

4

b.

3

c.

0

d.

1

## Question number: 54

» Mathematics » Multiples and Factors

MCQ▾

### Question

________ should be added to 319 to make it divisible by 3.

### Choices

Choice (4) Response

a.

3

b.

2

c.

0

d.

1

## Question number: 55

» Mathematics » Multiples and Factors

MCQ▾

### Question

A number which when divided by 2, leaves one as remainder, is ________ number.

### Choices

Choice (4) Response

a.

Prime

b.

Odd

c.

Twin prime

d.

Even

## Question number: 56

» Mathematics » Multiples and Factors

MCQ▾

### Question

Write the least 2-digit number that has as factors?

### Choices

Choice (4) Response

a.

56

b.

48

c.

34

d.

50

## Question number: 57

» Mathematics » Multiples and Factors

MCQ▾

### Question

Numbers which have only two factors are called ________ numbers.

### Choices

Choice (4) Response

a.

Twin prime

b.

Prime

c.

Composite

d.

Even

## Question number: 58

» Mathematics » Multiples and Factors

MCQ▾

### Question

________ should be added to 345 to make it divisible by 10.

### Choices

Choice (4) Response

a.

3

b.

5

c.

0

d.

6

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