ECAT Mathematics MCQ's Test For Full Book With Answers

ECAT Mathematics MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 {1, 2, 3, 4,.....} is set of ______ Natural numbers Whole numbers Integers Rational numbers
2 The number of different ways of describing a set is One Two Three Four
3 Name the property used in 4.1 + (-4.1) = 0 Additive inverse Multiplication inverse Additive identity Multiplication identity
4 Name the property used in 100 + 0 = 100 Additive inverse Multiplicative inverse Additive identity Multiplicative identity
5 Name the property used in 4 x (5 x 8) = ( 4 x 5) x 8 Associative property of addition Associative property of multiplication Additive identity Multiplicative identity
6 Associative property of addition Associative property of multiplication Commutative property of addition Commutative property of multiplication
7 Associative property of addition Commutative property of addition Distributive property Additive identity
8 Name the property used in 4 + 9 = 9 + 4 Associative property of addition Commutative property of addition Distributive property Additive identity
9 Which of the following sets has closure property w.r.t. addition { 0 } { 1 } { 0, -1} { 1, -1}
10 Additive property in R Multiplication property in R Cancellation property in R Distribution property in R
11 The set { 1 , -1} is closed w.r.t. Addition Multiplications Subtraction None of these
12 Principle of equality of fractions Rule for product of fractions Golden rule for fractions Rule for quotient of fractions
13 Principle of equality of fractions Rule for product of fractions Golden rule for fractions Rule for quotient of fractions
14 Principle of equality of fractions Rule for product of fractions Golden rule of fractions Rule for quotient of fractions
15 Principle of equality of fractions Rule for product of fraction Rule for quotient of fraction Golden rule of fractions
16 Principle of equality of fractions Rule for product of fraction Rule for quotient of fraction
17 (a + b)c = ac + bc a + b = b + a (a + b) + c = a + (b + c) a(b +c) = ab + ac
18 (a + b)c = a . c + bc a + b = b + a (a + b) + c = a + (b + c) a(b+ c) = ab + ac
19 In R the right cancellation property w.r.t. addition is
20 In R the left cancellation property w.r.t addition is
21
22
23
24 a = a a &lt; a a &gt; a a<sup>2</sup>= a
25 The additive inverse of 0 is 1 -1 0 Does not exist
26 The additive inverse of 1 is 1 -1 0 Does not exist
27 The multiplicative inverse of 0 is 1 -1 0 Does not exist
28 The multiplicative inverse of 1 is 1 -1 0 Does not exist
29 The multiplicative inverse of 4 is -4 -1/4 1/4 1
30 The multiplicative inverse of 2/3 is 3/2 -2/3 -3/2 1
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