Mathematics-Multiples and Factors (NSTSE Class 4): Questions 1 - 6 of 99

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Question number: 1

» Mathematics » Multiples and Factors

MCQ▾

Question

The number 12 has six factors: 1,2,3,4,6,12 . The table below lists the number of factors for some numbers.

This table shows lists the number of factors for some numbers

Find the number of prime numbers between 40 and 50

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.

0

b.

3

c.

4

d.

1

Question number: 2

» Mathematics » Multiples and Factors

MCQ▾

Question

LCM stands for:

Choices

Choice (4) Response

a.

Less common multiply

b.

Least common multiplier

c.

Least common multiple

d.

All of the above

Question number: 3

» Mathematics » Multiples and Factors

MCQ▾

Question

Out of 23,27,31and37 the composite number is:

Choices

Choice (4) Response

a.

23

b.

37

c.

31

d.

27

Question number: 4

» Mathematics » Multiples and Factors

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

This Image Shows the Two Numbers Define on the Spike Abacus

Find difference between the least common factor and least common multiple of the number

Choices

Choice (4) Response

a.

12

b.

8

c.

6

d.

10

Question number: 5

» Mathematics » Multiples and Factors

MCQ▾

Question

41 has only two factors: 1 and ________.

Choices

Choice (4) Response

a.

21

b.

41

c.

24

d.

0

Question number: 6

» Mathematics » Multiples and Factors

MCQ▾

Question

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

34,25,23,31,38,19,42,47,49,56

Choices

Choice (4) Response

a.

10

b.

44

c.

29

d.

50

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