Mathematics ECAT Pre Engineering Online Test With Answers

image
image
image

Mathematics ECAT Pre Engineering Online Test

Sr. # Questions Answers Choice
1 Z is a Infinite set Finite set Singleton set Set of all integers
2 {0} is a Empty set Singleton set Zero set Null Set
3 Every set is an improper subset of Empty set Equivalent set Itself Singleton set
4 Empty set is Not subset of every set Finite set Infinite set Not the member of real numbers
5 if A = (x/x€ Q˄ 0 < x < 1}, the A is Infinite set Finite set Set of rational numbers Set of real numbers
6 If there is one-one correspondence between A and B, then we write. A = B A⊆ B A⊇ B A ∼ B
7 P∉ A means <i>P</i>is subset of A <i>P</i>is an element of A <i>P does not belongs to A</i> A does not element of <i>P</i>
8 The set of months in a year beginning with S. {September, October, November} Singleton set Null set Empty set
9 A = B iff All elements of A also the elements of B A and B should be singleton A and B have the same number of elements If both have the same element
10 If P = {x/x = p/q where p,q∈ Z and q≠ 0}, then P is the set of Irrational numbers Even numbers Rational numbers Whole numbers
11 If S = {3,6,9,12.......}, then S = Four multiples of 3 S = Set of even numbers S = Set of prime numbers S = All multiples of 3
12 Which of the following is the definition of singleton The objects in a set A set having no element A set having no subset None of these
13 If T = {2,4,6,8,10,12}, then T = (First six natural numbers) T = (First six odd numbers) T = (First six real numbers) T = ( First six even numbers)
14 Which of the following statement is true? A set is a collection of non-empty object A set is a collection of only numbers a set is any collection of things a set is well-defined collection of objects
15 24 can be written as a product of Odd factors Even factors Whole factors Prime factors
16 14 is not a Prime number Whole number Even number Real number
17 Any whole number can be written as a product of factors which are Odd numbers Prime number Rational number Even number
18 If P is a whole number greater than 1, which has only P and I are factors. Then P is called Wholw number Prime number Even number Odd number
19 The set of positive integers, 0 and negative integers is known as the set of Natural numbers Rational numbers All integers Irrational numbers
20 √2 +√3 +√5) = (√2 +√3 +√5: this property is called associative property w.r.t addition commutative property Closure property w.r.t addition Additive identity
21 3.5+5.4=5.4+3.5 =8.9 this property of addition is called additive identity assoclative property commulative property closure property
22 2/9,5/7∈ R,(2│9)(5│7)=10/63∈R this property is called Associative property Identity property Commutative property Closure property w.r.t multiplication
23 If 0 = R, thenthe additive inverse of a is 1/9 <sup>1/-9</sup> a -a
24 The identity element with respect to subtraction is 0 -1 0 and 1 None of thes
25 If a and b are real numbers then a+b is also real number this law is called associative law of addition closure law of addition Distributive law of addition Commutative law of addition
26 The negative square root of 9 can be written as: -√9 √9 √18 -√18
27 The√ is used for the Positive square root Negative square root +ve and -ve square root Whole number
28 4/√49 is a Irrational Number Prime Number Rational number Whole number
29 The additive identity of real number is 1 2 1/2 <b>0</b>
30 I is not Real number Natural number Prime Number Whole Number
Download This Set
×