ECAT Mathematics MCQ's Test For Full Book With Answers

ECAT Mathematics MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 Addition Subtraction Multiplication None of these
2 None of these
3 If f:A→B is an injective function and second elements of no two of its ordered pairs are equal, then f is called 1-1 and onto Bijective 1-1 and into None of these
4 Onto function is also called Binjective function Injective function Surjechive function None of these
5 The contra positive of p → q is q → p ~q→~q ~p→~q None of these
6 The logic in which every statement is regarded as true or false and no other possibility is called Aristotelian login Inductive logic Non-Aristotelian logic None of these
7 If B-A≠φ , then n(B-A) is equal to n(a)+n(c) n(c)-n(a) n(a)-n(c) None of these
8 If A∩B=B, then n(A∩B) is equal to n(a) n(a)+n(c) n(c) None of these
9 If the intersection of two sets is non-empty, but either is a subset of other are called Disjoint sets Over lapping Equal sets None of these
10 The set which has no proper subset is {0} {} {∅} None of these
11 The set {x|x∈N∧x-4=0} in tabular form is {-4} {0} {} None of these
12 {x|x∈R∧x≠x} is a Infinite set Null set Finite set None of these
13 The set of rationals numbers between 0 and I is Finite Null set Infinite None of these
14 If A is a subset of B and B contains at least one element which is not an element of A, then A is said to be Improper subset of B Super set of B Proper subset of B None of these
15 For any two sets A and, A ⊆ B if x ∈ A ⇒ x ∈ B x ∉ A ⇒ x ∉ B x ∈ A ⇒ x ∉ B None of these
16 The solution of equation x2 + 2 = 0 in the set of real number is Infinite set Singleton set Null set None of these
17 If a 1-1 correspondence can be established b/w two sets A and B, then they are called Equal sets Equivalent sets Over lapping sets None of these
18
19
20 are real no both are not real are imaginary no both are imaginary
21
22 1 -1
23 1 3 2-i -1
24
25
26 -8 8 8i 32
27
28
29
30 1 -i i 0
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