Mathematics-Multiples and Factors (NSTSE Class 4): Questions 15 - 23 of 99

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Question number: 15

» Mathematics » Multiples and Factors

MCQ▾

Question

15 and ________ are co-prime numbers.

Choices

Choice (4) Response

a.

30

b.

25

c.

35

d.

28

Question number: 16

» Mathematics » Multiples and Factors

MCQ▾

Question

An example of prime numbers is:

Choices

Choice (4) Response

a.

95

b.

409

c.

88

d.

6

Question number: 17

» Mathematics » Multiples and Factors

MCQ▾

Question

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

Choices

Choice (4) Response

a.

12

b.

15

c.

18

d.

9

Question number: 18

» Mathematics » Multiples and Factors

MCQ▾

Question

The product of all even numbers between 5 and 9 is:

Choices

Choice (4) Response

a.

35

b.

48

c.

45

d.

36

Question number: 19

» Mathematics » Multiples and Factors

MCQ▾

Question

________ should be subtracted from 553 to make it divisible by 9.

Choices

Choice (4) Response

a.

2

b.

3

c.

1

d.

4

Question number: 20

» Mathematics » Multiples and Factors

MCQ▾

Question

The number is divisible by 3 but not by 6 is:

Choices

Choice (4) Response

a.

18

b.

12

c.

30

d.

27

Question number: 21

» Mathematics » Multiples and Factors

MCQ▾

Question

The prime number just before 17 is:

Choices

Choice (4) Response

a.

13

b.

15

c.

16

d.

19

Question number: 22

» Mathematics » Multiples and Factors

MCQ▾

Question

Observe the following sums. Then find the sum of ?

—————————————–

—————————————–

Choices

Choice (4) Response

a.

36

b.

56

c.

63

d.

81

Question number: 23

» Mathematics » Multiples and Factors

MCQ▾

Question

The next odd number after 56999 is:

Choices

Choice (4) Response

a.

b.

57, 001

c.

d.

56, 990

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