# Mathematics-Playing With Numbers (NSTSE (National Level Science Talent Search Examination) Class 6): Questions 1 - 10 of 83

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## Question number: 1

» Mathematics » Playing With Numbers

MCQ▾

### Question

A set of numbers which do not have any other common factor other than 1 are called

### Choices

Choice (4) Response

a.

Co -primes

b.

Composite

c.

twin primes

d.

None of the above

## Question number: 2

» Mathematics » Playing With Numbers

MCQ▾

### Question

HCF of 8 and 12 is

### Choices

Choice (4) Response

a.

8

b.

6

c.

4

d.

12

## Question number: 3

» Mathematics » Playing With Numbers

MCQ▾

### Question

LCM of 76 and 36 is

### Choices

Choice (4) Response

a.

684

b.

846

c.

648

d.

670

## Question number: 4

» Mathematics » Playing With Numbers

MCQ▾

### Question

LCM of 12 and 34 is

### Choices

Choice (4) Response

a.

204

b.

62

c.

12

d.

240

## Question number: 5

» Mathematics » Playing With Numbers

MCQ▾

### Question

A prime number can be divided evenly only by________

### Choices

Choice (4) Response

a.

1 or it self

b.

1

c.

2 or it self

d.

0

## Question number: 6

» Mathematics » Playing With Numbers

MCQ▾

### Question

If a number can be expressed as a product of two whole numbers, then the whole number are called

### Choices

Choice (4) Response

a.

Factors

b.

Composite

c.

Co-primes

d.

Question does not provide sufficient data or is vague

## Question number: 7

» Mathematics » Playing With Numbers

MCQ▾

### Question

HCF of two co-prime numbers is their

### Choices

Choice (4) Response

a.

quotient

b.

product

c.

Sum

d.

difference

## Question number: 8

» Mathematics » Playing With Numbers

MCQ▾

### Question

When we multiply 2 numbers, the answer is called the

### Choices

Choice (4) Response

a.

product

b.

prime

c.

Even

d.

None of the above

## Question number: 9

» Mathematics » Playing With Numbers

MCQ▾

### Question

An example of composite is

### Choices

Choice (4) Response

a.

121

b.

19

c.

37

d.

53

## Question number: 10

» Mathematics » Playing With Numbers

MCQ▾

### Question

Any integer that can be divided exactly by 2.

### Choices

Choice (4) Response

a.

Even

b.

Composite

c.

odd

d.

All of the above

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