# Mathematics-Multiples and Factors [NSTSE (National Science Talent Search Exam- Unified Council) Class 4]: Questions 1 - 7 of 99

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## Question number: 1

» Mathematics » Multiples and Factors

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MCQ▾

### Question

The number 12 has six factors: . The table below lists the number of factors for some numbers.

 Number Number of factors 41 2 43 2 45 6 47 2 49 3

From this we can say that the number of prime numbers between 40 and 50 is:

### Choices

Choice (4)Response

a.

1

b.

0

c.

3

d.

4

## Question number: 2

» Mathematics » Multiples and Factors

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MCQ▾

LCM stands for:

### Choices

Choice (4)Response

a.

Less common multiply

b.

Least common multiple

c.

Least common multiplier

d.

None of the above

## Question number: 3

» Mathematics » Multiples and Factors

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MCQ▾

### Question

Out of the composite number is:

### Choices

Choice (4)Response

a.

23

b.

27

c.

31

d.

37

## Question number: 4

» Mathematics » Multiples and Factors

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MCQ▾

### Question

Difference between the least common factor and the least common multiple of the number shown on the spike abacus is: This Image Shows the Two Numbers Define on the Spike Abacus

### Choices

Choice (4)Response

a.

10

b.

6

c.

8

d.

12

## Question number: 5

» Mathematics » Multiples and Factors

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MCQ▾

### Question

41 has only two factors: 1 and ________.

### Choices

Choice (4)Response

a.

24

b.

21

c.

0

d.

41

## Question number: 6

» Mathematics » Multiples and Factors

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MCQ▾

### Question

Find the sum of least prime number and the least composite number.

### Choices

Choice (4)Response

a.

29

b.

50

c.

10

d.

44

## Question number: 7

» Mathematics » Multiples and Factors

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MCQ▾

### Question

A composite number has ________.

### Choices

Choice (4)Response

a.

at one’s place.

b.

More than 2 factors.

c.

at one’s place.

d.

Only 2 factors.

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