Mathematics-Multiples and Factors (NSTSE Class 4): Questions 83 - 91 of 99

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Question number: 83

» Mathematics » Multiples and Factors

MCQ▾

Question

What is the sum of the least common multiple and highest common factor of the numbers 12 and 18?

Choices

Choice (4) Response
a.

38

b.

40

c.

42

d.

44

Question number: 84

» Mathematics » Multiples and Factors

MCQ▾

Question

Number 1 has only one factor. It is neither prime nor composite. It is called ________ number.

Choices

Choice (4) Response
a.

Twin prime

b.

Prime

c.

Unique

d.

Composite

Question number: 85

» Mathematics » Multiples and Factors

MCQ▾

Question

Factors of 57: 3 and ________.

Choices

Choice (4) Response
a.

19

b.

34

c.

23

d.

57

Question number: 86

» Mathematics » Multiples and Factors

MCQ▾

Question

Write the greatest 2-digit number that has 3,5 and 15 as factors?

Choices

Choice (4) Response
a.

45

b.

15

c.

20

d.

75

Question number: 87

» Mathematics » Multiples and Factors

MCQ▾

Question

The factor of the number shown on the spike abacus is:

This figure shows the number on the abacus

This Figure Shows the Number on the Abacus

Find the factor of the number on the spike abacus

Choices

Choice (4) Response
a.

17

b.

15

c.

21

d.

37

Question number: 88

» Mathematics » Multiples and Factors

MCQ▾

Question

What is the least common multiple of the number 8,12and16 ?

Choices

Choice (4) Response
a.

32

b.

24

c.

36

d.

48

Question number: 89

» Mathematics » Multiples and Factors

MCQ▾

Question

________ is neither prime not composite number.

Choices

Choice (4) Response
a.

6

b.

3

c.

5

d.

1

Question number: 90

» Mathematics » Multiples and Factors

MCQ▾

Question

A number is divisible by 5, if the digit in the unit’s place of the number is:

Choices

Choice (4) Response
a.

Either 0 or 5

b.

5

c.

1

d.

0

Question number: 91

» Mathematics » Multiples and Factors

MCQ▾

Question

________ is a prime number.

Choices

Choice (4) Response
a.

136

b.

110

c.

103

d.

88

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