A Quiz On Rational Numbers! Trivia

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A Quiz On Rational Numbers! Trivia - Quiz


Are you familiar with rational numbers? Do you suppose you can vanquish this quiz? A rational number is a figure that is equal to the quotient of two integers p and q and can be articulated as some fraction where the numerator and denominator are integers. Some examples of rational numbers include the number 8, as the fraction 8/1 and the fraction 5/7. Taking this quiz will assist you to see how much you know about rational numbers.


Questions and Answers
  • 1. 

    2 1/4 converted to an improper fraction is:

    • A.

      7/4

    • B.

      6/4

    • C.

      4/9

    • D.

      9/4

    Correct Answer
    D. 9/4
    Explanation
    To convert a mixed number to an improper fraction, we multiply the whole number by the denominator and add the numerator. In this case, we have 2 as the whole number, 1 as the numerator, and 4 as the denominator. Multiplying 2 by 4 gives us 8, and adding 1 gives us 9. Therefore, 2 1/4 as an improper fraction is 9/4.

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  • 2. 

    The answer to Question 4 is known as a _________________ decimal.

    • A.

      Temporary

    • B.

      Registered

    • C.

      Terminating

    • D.

      Repeating

    Correct Answer
    D. Repeating
    Explanation
    The answer to Question 4 is "Repeating" because a repeating decimal is a decimal number that has a repeating pattern of digits after the decimal point. This means that one or more digits in the decimal repeat infinitely.

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  • 3. 

    Which list of rational numbers is correctly ordered from least to greatest?9 3/4, 9.74, 9 5/7, 9.72, 9 9/13

    • A.

      9 9/13, 9 5/7, 9.72, 9.74, 9 3/4

    • B.

      9 3/4, 9.72, 9 5/7, 9.74, 9 9/13

    • C.

      9.72, 9.74, 9 5/7, 9 3/4, 9 9/13

    • D.

      9.72, 9.74, 9 3/4, 9 5/7, 9 9/13

    Correct Answer
    A. 9 9/13, 9 5/7, 9.72, 9.74, 9 3/4
    Explanation
    The given list of rational numbers is correctly ordered from least to greatest because 9 9/13 is the smallest number, followed by 9 5/7, then 9.72, 9.74, and finally 9 3/4, which is the largest number.

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  • 4. 

    When a repeating decimal is converted to a fraction, the denominator will always be _______.

    • A.

      0

    • B.

      1

    • C.

      10

    • D.

      9

    Correct Answer
    D. 9
    Explanation
    When a repeating decimal is converted to a fraction, the denominator will always be 9. This is because when a decimal repeats, it indicates that the digits after the decimal point continue infinitely in a repeating pattern. To convert this decimal to a fraction, we can set up an equation where the repeating part of the decimal is equal to x, and multiply both sides by a power of 10 that has the same number of digits as the repeating part. This allows us to eliminate the repeating part and solve for x. The resulting fraction will have the repeating part as the numerator and the number of 9s in the denominator equal to the number of digits in the repeating part. Therefore, the denominator will always be 9.

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  • 5. 

    Order the following rational numbers from least to greatest: -0.8, -3/4, 1.25, 0

    • A.

      0, -0.8, -3/4, 1.25

    • B.

      0, 1.25, -0.8, -3/4

    • C.

      -0.8, -3/4, 0, 1.25

    • D.

      1.25, 0, -3/4, -0.8

    Correct Answer
    C. -0.8, -3/4, 0, 1.25
    Explanation
    The numbers are ordered from least to greatest by comparing their values. -0.8 is the smallest number, followed by -3/4 which is larger than -0.8. Next is 0, which is larger than both -0.8 and -3/4. Finally, 1.25 is the largest number among the given options.

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  • 6. 

    Compare the following rational numbers and tell whether they are greater than, less than, or equal to each other. 4                   0.0410

    • A.

    • B.

      >

    • C.

      =

    Correct Answer
    B. >
    Explanation
    The rational number 4 is greater than the rational number 0.0410.

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  • 7. 

    When a fraction is converted to a decimal through long division, a terminating decimal is formed when the remainder is __________________.

    • A.

      Less

    • B.

      Repeated

    • C.

      Zero

    • D.

      Added

    Correct Answer
    C. Zero
    Explanation
    When a fraction is converted to a decimal through long division, a terminating decimal is formed when the remainder is zero. This means that there are no more digits to add after the decimal point, and the decimal representation of the fraction ends.

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  • 8. 

    1/9 written as a decimal is _________.

    • A.

      0.0001

    • B.

      0.01

    • C.

      0.1

    • D.

      0.001

    Correct Answer
    C. 0.1
    Explanation
    To convert a fraction to a decimal, we divide the numerator by the denominator. In this case, 1 divided by 9 is equal to 0.111111... However, since we are asked to provide the decimal in the given options, the closest option to 0.111111... is 0.1.

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