IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 51 - 55 of 1022
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Question 51
Question
MCQ▾The value of , where | . | is absolute value of an integer is________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 0 | |
b. | 3 | |
c. | 1 | |
d. | 2 | |
Question 52
Question
MCQ▾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. | Statements 2 and 3 are incorrect | |
c. | Statement 1 is incorrect | |
d. | All a., b. and c. are correct | |
Question 53
Question 54
Question
MCQ▾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 55
Question
MCQ▾The sign of the product of two unlike integers is________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Positive | |
b. | Positive or Negative | |
c. | Cannot be determined | |
d. | Negative | |