# Number Systems

A
and
B
and
C
and
D
and
Easy
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## A number is an irrational if and only if its decimal representation is:

A
non terminating
B
non terminating and repeating
C
non terminating and non repeating
D
terminating
Easy
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A
A natural number
B
An integer
C
A real number
D
A whole number
Easy
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## Between any two rational numbers,

A
there is no rational number
B
there is exactly one rational number
C
there are infinitely many rational numbers
D
there are only rational numbers and no irrational numbers
Easy
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## The decimal expansion of is :

A
terminating
B
non-terminating and non-recurring
C
non-terminating and recurring
D
doesnt exist
Easy
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