class 9 maths chapter 1 mcq with answers
The set of numbers that possess the property of density, is :
1. Z
2. Q
3. R
4. 2 and 3
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The number whose multiplicative inverse is itself, is :
1. 0
2. 1
3. any rational number
4. None of these
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The no. of rational numbers that exist between any two rational numbers, is :
1. finite
2. infinite
3. zero
4. one
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The set of irrational numbers is :
1. a finite set
2. an infinite set
3. a null set
4. a singlaton set
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