# Mathematics-Multiples and Factors (NSTSE Class 4): Questions 73 - 82 of 99

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1572 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 500.00 or

## Question number: 73

» Mathematics » Multiples and Factors

MCQ▾

### Question

41 and 51 are ________ numbers.

### Choices

Choice (4) Response

a.

Twin prime

b.

Co-prime

c.

Prime

d.

Composite

## Question number: 74

» Mathematics » Multiples and Factors

MCQ▾

### Question

________ is the smallest prime number.

### Choices

Choice (4) Response

a.

4

b.

2

c.

1

d.

5

## Question number: 75

» Mathematics » Multiples and Factors

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

Even

b.

Prime

c.

Twin prime

d.

Odd

## Question number: 76

» Mathematics » Multiples and Factors

MCQ▾

### Question

Consecutive prime numbers with a difference of 2 between them are called ________.

### Choices

Choice (4) Response

a.

Twin primes

b.

Prime

c.

Composite

d.

Co-prime

## Question number: 77

» Mathematics » Multiples and Factors

MCQ▾

### Question

The prime factors of 36 are:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 78

» Mathematics » Multiples and Factors

MCQ▾

### Question

The greatest prime number less than 240 is:

### Choices

Choice (4) Response

a.

233

b.

237

c.

239

d.

241

## Question number: 79

» Mathematics » Multiples and Factors

MCQ▾

### Question

A number is divisible by 9, if the sum of its digits is divisible by:

### Choices

Choice (4) Response

a.

9

b.

0

c.

7

d.

Question does not provide sufficient data or is vague

## Question number: 80

» Mathematics » Multiples and Factors

MCQ▾

### Question

LCM of 12, 18 is:

### Choices

Choice (4) Response

a.

72

b.

36

c.

54

d.

48

## Question number: 81

» Mathematics » Multiples and Factors

MCQ▾

### Question

________ is composite number.

### Choices

Choice (4) Response

a.

23

b.

19

c.

12

d.

17

## Question number: 82

» Mathematics » Multiples and Factors

MCQ▾

### Question

The number 10 has 4 factors. The table below lists the number of factors for some numbers. (Model Test Paper)

 Number Number of factors 11 2 13 2 15 4 17 2 19 2

From this we can say that the number of prime numbers between 10 and 20 is:

### Choices

Choice (4) Response

a.

4

b.

Can’t say

c.

0

d.

2

f Page