ECAT Pre Computer Science chapter wise online mcq test with answers for Mathematics

ECAT Mathematics MCQ's Test For Full Book

Sr. #	Questions	Answers Choice
1	A subset of set of complex number whose elements are of the form (a,0) is called	Real number Complex number Rational number Irrational number
2	The square roots of negative numbers is called	Real no Complex no Positive no Negative no
3	The set {0,-1} hold closure property under	Addition Both a & c Multiplication None of these
4	If in a set of real no a is additive identity then	a+a = 2a a+a = 1 a+a = 0 None of these
5	If in a set of real no a is multiplicative identity then	a,a = a<sup>2</sup> a,a = 1 a,a = 0 None of these
6	A non-terminating non_recurring decimal represents an	Irrational no Both a & c Rational no None of these
7	2.333....is a	Irrational no Complex no Rational no None of these
8	∀x,y∈ R and x < 0, y < 0, which one is true	xy < o xy = o xy > o None of these
9	∀x,y,z ∈ R and z 0,then	x > y ⇒ xz > yz x<y ⇒ xz < yz x < y ⇒ xz > yz None of these
10	∀a,b,c∈R and c>0,then	a>b ⇒ ac < bc a>b ⇒ ac > bc a<b ⇒ ac > bc None of these
11	∀x, y ∈ R, either x = y or x > y or x < y is	Transitive property Reflexive property Trichotomy property None of these
12	√x = ______ if is a prime number	Rational no Natural no Irrational no Complex no
13	A prime number can be a factor of a square only if it occurs in the square at least	Once Thirce Twice None of these
14	Any recurring decimal represents a	Irrational no Integer Rational no None of these
15	The order axioms are satisfied by set of	C C and R R None of these
16	If a is any real number and a = a is called	symmetric property Trichotomy Properties Transitive Property Reflexive Properties

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