# 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:

### 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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