This quiz for Class 9 focuses on the Number System, assessing understanding of rational and irrational numbers through questions on decimal representation, number properties, and arithmetic operations.
0.45454545.....
0.43434343
0.45
0.43
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0.1
0.01
0.001
0.0001
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0.15
0.01516
0.151615161516.....
0.50155001500015....
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Decimal expansion of a rational number is terminating.
Decimal expansion of a rational number is non-terminating.
Decimal expansion of an irrational number is terminating.
Decimal expansion of an irrational number is non- terminating and non- repeating.
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A unique real number
A natural number
A rational number
An irrational number
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14/9
14/11
14/13
14/15
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Always a natural number
Always an irrational number
Always an irrational number
Sometimes a natural number and sometimes an irrational number
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39/24
3/16
3/11
137/25
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33/100
3/10
1/3
3/100
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The sum of two irrational numbers is always an irrational number.
The sum of two irrational numbers is always a rational number.
The sum of two irrational numbers may be a rational number or an irrational number.
The sum of two irrational numbers is always an integer.
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Product of two irrational numbers is always irrational.
Product of a rational and an irrational number is a always irrational.
Sum of two irrational numbers can never be irrational.
Sum of an integer and a rational number can never be an integer.
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1/10
3/10
3
30
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8/25
29/90
32/99
32/199
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A natural number
An integer
A rational number
An irrational number
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