Mathematics-Multiples and Factors (NSTSE Class 4): Questions 73 - 82 of 99

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Question number: 73

» Mathematics » Multiples and Factors

MCQ▾

Question

41 and 51 are ________ numbers.

Choices

Choice (4) Response

a.

Twin prime

b.

Co-prime

c.

Prime

d.

Composite

Question number: 74

» Mathematics » Multiples and Factors

MCQ▾

Question

________ is the smallest prime number.

Choices

Choice (4) Response

a.

4

b.

2

c.

1

d.

5

Question number: 75

» Mathematics » Multiples and Factors

MCQ▾

Question

A number which when divided by 2, leaves zero as remainder, is ________ number.

Choices

Choice (4) Response

a.

Even

b.

Prime

c.

Twin prime

d.

Odd

Question number: 76

» Mathematics » Multiples and Factors

MCQ▾

Question

Consecutive prime numbers with a difference of 2 between them are called ________.

Choices

Choice (4) Response

a.

Twin primes

b.

Prime

c.

Composite

d.

Co-prime

Question number: 77

» Mathematics » Multiples and Factors

MCQ▾

Question

The prime factors of 36 are:

Choices

Choice (4) Response

a.

2×18

b.

2×2×3×3

c.

2×3×6

d.

2×2×9

Question number: 78

» Mathematics » Multiples and Factors

MCQ▾

Question

The greatest prime number less than 240 is:

Choices

Choice (4) Response

a.

233

b.

237

c.

239

d.

241

Question number: 79

» Mathematics » Multiples and Factors

MCQ▾

Question

A number is divisible by 9, if the sum of its digits is divisible by:

Choices

Choice (4) Response

a.

9

b.

0

c.

7

d.

Question does not provide sufficient data or is vague

Question number: 80

» Mathematics » Multiples and Factors

MCQ▾

Question

LCM of 12, 18 is:

Choices

Choice (4) Response

a.

72

b.

36

c.

54

d.

48

Question number: 81

» Mathematics » Multiples and Factors

MCQ▾

Question

________ is composite number.

Choices

Choice (4) Response

a.

23

b.

19

c.

12

d.

17

Question number: 82

» Mathematics » Multiples and Factors

MCQ▾

Question

The number 10 has 4 factors 1,2,5and10 . The table below lists the number of factors for some numbers. (Model Test Paper)

This table represent the number with their factors

Find the number of prime numbers between 10 and 20

Number

Number of factors

11

2

13

2

15

4

17

2

19

2

From this we can say that the number of prime numbers between 10 and 20 is:

Choices

Choice (4) Response

a.

4

b.

Can’t say

c.

0

d.

2

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