IMO- Mathematics Olympiad (SOF) Class 7: Questions 51 - 55 of 1012

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Question number: 51

» Number System

MCQ▾

Question

The value of, where|. | is absolute value of an integer is________.

Choices

Choice (4) Response

a.

0

b.

2

c.

1

d.

3

Question number: 52

» Number System

MCQ▾

Question

Which of the following statements are correct?

(1). Every integer is rational number and every rational number is a fraction.

(2). A rational number is positive if and are either both positive or both negative.

(3). A rational number is negative if one of and is positive and other is negative.

(4). If there are two rational numbers with common denominator then the one with the larger numerator is larger than the other.

Choices

Choice (4) Response

a.

Statements 1 and 4 are incorrect

b.

Statement 1 is incorrect

c.

Statements 2 and 3 are incorrect

d.

All a. , b. and c. are correct

Question number: 53

» Number System

MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

10

b.

14

c.

11

d.

6

Question number: 54

» Number System

MCQ▾

Question

The product of two rational numbers is. If one of the numbers is , then the other number is________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 55

» Number System

MCQ▾

Question

The sign of the product of two unlike integers is________.

Choices

Choice (4) Response

a.

Negative

b.

Positive or Negative

c.

Cannot be determined

d.

Positive

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