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Math 9 Chapter 2 Real and Complex Numbers-2
1.
The decimal fraction in which some digits are repeated again and again called?
a) Recurring
b) Terminating
c) Rational fractionReal fraction
2.
The number pi ( π ) is?
a) Irrational number
b) Rational number
c) Terminating
d) Recurring
3.
The number 0.23 means?
a) 0.23232323…..
b) 23
c) 0.2222….
d) 0.3333….
4.
Irrational numbers can be located on line by?
a) Geometric construction
b) Arithmetic construction
c) Complex construction
d) All of these
5.
If a,b belongs to R closure property is defined?
a) (a+b) Є R
b) (a+b) = (b+a)
c) Both are true
d) None
6.
The property a+b=b+a is known as?
a) Commutative
b) Associative
c) Closure
d) All of these
7.
The associative property given in the numerical form is?
a) (5+7)+3=5+(7+3)
b) 5+2=2+5
c) (5+7)+3 Є R
d) None
8.
……… is additive identity?
a) Zero
b) One
c) Infinity
d) None
9.
If a,b belongs to R then it is a closure property of?
a) Multiplication
b) Addition
c) Subtraction
d) Division
10.
Additive inverse of 3 is?
a) -3
b) 3
c) 32
d) 1/3
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