Rational and Non-Rational Numbers - JSS3 Mathematics Past Questions and Answers - page 1
1
Which of the following numbers is rational?
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A
5
5
B
0.25
C
๐
D
๐
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2
Which property distinguishes irrational numbers from rational numbers?
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A
They can be expressed as fractions.
B
Their decimal expansions are non-terminating and non-repeating.
C
They are always negative.
D
They are multiples of whole numbers.
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3
Which of the following is an example of an irrational number?
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A
34
B
0.333...
C
22
D
0.5
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4
What is a necessary condition for a number to be rational?
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A
Its decimal expansion terminates.
B
Its decimal expansion is non-terminating and non-repeating.
C
It can be expressed as a fraction of two integers.
D
It must be a whole number.
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5
Determine whether 0.75 is a rational or irrational number.
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