# Mathematics-Factors and Multiples (NSTSE (National Science Talent Search Exam- Unified Council) Class 5): Questions 74 - 81 of 84

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## Question number: 74

» Mathematics » Factors and Multiples

MCQ▾

### Question

Study the following.

Which digit in the number is in the hundreds place?

### Choices

Choice (4) Response

a.

5

b.

3

c.

9

d.

0

## Question number: 75

» Mathematics » Factors and Multiples

MCQ▾

### Question

What is the sum of the first five multiples of 10?

### Choices

Choice (4) Response

a.

180

b.

120

c.

100

d.

150

## Question number: 76

» Mathematics » Factors and Multiples

MCQ▾

### Question

Which of the following are two consecutive prime numbers that differ by 2?

### Choices

Choice (4) Response

a.

Composite numbers

b.

Co-primes

c.

Twin primes

d.

All of the above

## Question number: 77

» Mathematics » Factors and Multiples

MCQ▾

### Question

When a number X is added to 6, the sum is divisible by 8. What could the number X be?

### Choices

Choice (4) Response

a.

34

b.

41

c.

39

d.

12

## Question number: 78

» Mathematics » Factors and Multiples

MCQ▾

### Question

Identify the numbers which have at least 1 factor other than 1 and itself.

### Choices

Choice (4) Response

a.

Prime numbers

b.

Co-prime numbers

c.

Twin numbers

d.

Composite numbers

## Question number: 79

» Mathematics » Factors and Multiples

MCQ▾

### Question

What is the H. C. F. of two co-prime numbers?

### Choices

Choice (4) Response

a.

2

b.

0

c.

1

d.

Their product

## Question number: 80

» Mathematics » Factors and Multiples

MCQ▾

### Question

A box had some pens in it. When the pens are distributed equally to 15 children, none remained but while distributing to 16 children, 6 children got 1 pen less than the others. How many pens were there in the box?

### Choices

Choice (4) Response

a.

86

b.

90

c.

96

d.

75

## Question number: 81

» Mathematics » Factors and Multiples

MCQ▾

### Question

What are the common factors of 12 and 42?

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page