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:

This image shows the number on the spike abacus

This Image Shows the Number on the Spike Abacus

Find the factor of the number on the spike abacus

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 Equation ?

Equation Equation

Equation Equation

Equation Equation

Equation Equation

—————————————–

—————————————–

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.

Equation

b.

57, 001

c.

Equation

d.

56, 990

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