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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