# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 67 - 71 of 1022

Access detailed explanations (illustrated with images and videos) to 1022 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

## Question number: 67

Edit
MCQ▾

### Question

A fraction can be expressed as a terminating decimal if y has no prime factors other than ________.

### Choices

Choice (4) Response

a.

3,5

b.

2,3

c.

2,3, 5

d.

2,5

## Question number: 68

Edit
MCQ▾

### Question

A rational number

### Choices

Choice (4) Response

a.

Lies to the left side of 0 on the number line

b.

Cannot be determined on which side the number lies

c.

Lies to the right side of 0 on the number line

d.

It is not possible to represent on the number line

## Question number: 69

Edit
MCQ▾

### Question

Which of the following statements is correct?

### Choices

Choice (4) Response

a.

All integers are whole numbers, all natural numbers are integers

b.

All whole numbers are integers, all integers are natural numbers

c.

All integers are whole numbers, all integers are natural numbers

d.

All natural numbers are whole numbers, all whole numbers are integers

## Question number: 70

Edit
Assertion-Reason▾

### Assertion (Ꭺ)

Rational numbers are always closed under division by only non-zero rational numbers

### Reason (Ꭱ)

Division by zero is not defined for any rational numbers

### Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are false

## Question number: 71

Edit
MCQ▾

### Question

Which of the following statement is true?

### Choices

Choice (4) Response

a.

The product of a positive and a negative integer is negative

b.

The product of a negative and a positive integer may be zero

c.

For all non-zero integers a and b, is always greater than either a or b

d.

Question does not provide sufficient data or is vague