Choose the correct options for the following questions.
Sum of two real numbers is also a real number, this property is called:
Difficulty: Easy
A:
Commutative property w.r.t addition
B:
Closure property w.r.t addition
C:
Associative property w.r.t addition
D:
Distributive property w.r.t addition
QUQ'=
Difficulty: Hard
A:
Q
B:
Q'
C:
N
D:
R
Such fraction which can not be written in the form of p/q, where $p,q\:\epsilon z$ and $q\neq 0$ , such fractions are called
Difficulty: Easy
A:
Fractional numbers
B:
Rational numbers
C:
Even numbers
D:
Whole numbers
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