Mathematics-Multiples and Factors (NSTSE (National Science Talent Search Exam- Unified Council) Class 4): Questions 86 - 95 of 99

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Question number: 86

» Mathematics » Multiples and Factors

MCQ▾

Question

Write the greatest 2-digit number that has 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?

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

Question number: 92

» Mathematics » Multiples and Factors

MCQ▾

Question

An example for twin primes is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 93

» Mathematics » Multiples and Factors

MCQ▾

Question

All even numbers except 2 are ________ numbers.

Choices

Choice (4) Response

a.

Composite

b.

Twin prime

c.

Prime

d.

Odd

Question number: 94

» Mathematics » Multiples and Factors

MCQ▾

Question

The number is divisible by 4 and 5 is:

Choices

Choice (4) Response

a.

20

b.

16

c.

15

d.

18

Question number: 95

» Mathematics » Multiples and Factors

MCQ▾

Question

Observe the following sums. Then find the sum of ?

—————————————–

—————————————–

Choices

Choice (4) Response

a.

145

b.

140

c.

75

d.

135

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