Test Preparation MCQs (Math) for Metric Jobs 2023
 The concept about the sets was first introduced by George Cantor in _____________ century.

 17th
 18th
 19th
 20th
 There are________________ different forms to express a set.

 2
 3
 4
 5
 The descriptive form of set { 1, 2, 5, 10} is _______________.

 The set of the first four natural numbers.
 The set of divisors of 10.
 The set of first four prime numbers.
 The set of multiples of 10.
 If A = {4, 5, 6 } and B = { 1, 3, 5, 6 } then B – A = __________

 {5, 6}
 {4}
 {1,3}
 { 1, 3, 4}
 A – B is also written as

 BA
 AB
 AB
 A\B
 Two sets are said to be___________ sets, if they have no common member.

 Equal sets, if they have at least one common member and none of
 Equivalent
 disjoint
 overlapping
 Two sets are called_____________ sets, if they have at least one common member and none of them is a subset of the other set.

 Cells
 Intersection
 disjoint
 overlapping
 If E = {2, 4, 6,….} and O={5, 10, 15,….}, then E and O sets are_________ sets.

 Equal
 disjoint
 overlapping
 None
 A___________ is the set which consists all the members of the sets under considerations.

 Subset
 Power set
 Universal set
 Union
 If A is a nonempty set then A’ U = ___________.

 A
 U
 B
 None of these
 A(BUC) = (AB) U (AC) is called ________.

 Associative property of Union
 Associative property of Intersection
 Distributive property of Union over the intersection
 Distributive property of intersection over Union
 If A = {a, b, c} and U = {a, b, c, d, e} then A’ =___________

 {a, b, c}
 {b, c}
 {c, d}
 {d, e}
 If A = {1, m, n} and B = {1, m, n, o} then B – A =___________

 { }
 {1, m, n}
 {0}
 {1, m, n, o}
 If P = {1, 2, 3} and Q = {2, 3, 4} then PQ= ___________.

 {2, 3}
 {1}
 {4}
 {1, 2, 3, 4}
 If U = {1, 2, 3, 4, 5, 6} X={2, 3, 4} & Y={4, 5, 6} then (XUY)’ =__________

 { }
 {1}
 {4}
 {1, 2, 3, 5, 6}
 The symbol “v” is use for __________

 And
 Or
 Belongs to
 Such that
 The Tabular form of A = (x  x Z x ≤ 2)

 {0, 1, 2}
 {0,}
 {1, 0,1,…}
 { 2, 1, 0,1,….}
 Which statement is false?

 The intersection A and A’ is a void set.
 The union of sets A and A’ will be the universal set.
 The commutative property of subtraction exists in Whole numbers.
 “U – A” is called the complement of set A.
 A number that can be expressed in the form p/q, where p & q are integers and q ≠ 0.

 Real
 Rational
 Irrational
 None
 The division of any number by zero is undefined. So, zero can never be a ________________ of fraction.

 Numerator
 Whole
 Denominator
 One
 Which statement is true?

 Every natural number and integer is also a rational number.
 There are infinite rational numbers between 1 and 2.
 Negative Integers are rational numbers.
 Zero is not a rational number.
 How many statements are false?

 0/5 is a rational number.
 11/5 is a rational number between 5 & 6.
 5/0 is a rational number.
 √2 is a rational number.

 1
 2
 3
 All
 The multiplicative inverse of 1.

 0
 1
 +1
 1
 Every fraction as well as integer is _____________.

 Real
 Rational
 Irrational
 Integer
 Additive inverse of 4/5.

 4/5
 4/5
 5/4
 5/4
 Insert the correct number. 2/3 <______________< 7/9

 4/5
 7/3
 1/2
 3/7
 The rational number p/q andp/q are called______________ of each other.

 Additive Inverse
 Multiplicative Inverse
 Additive Identity
 Multiplicative Identity
 The rational number zero has no ________________.

 Additive Inverse
 Multiplicative Inverse
 Additive Identity
 Multiplicative Identity
 The _______________inverse of a rational number is its reciprocal.

 Additive
 Multiplicative
 both a and b
 None of these
 1/3 + 1/2 = ______________.

 2/5
 1/5
 5/6
 1/6
 2/5 + (4/5) = _________________.

 2/5
 2/5
 6/5
 2
 “0” is called _______________.

 Additive Inverse
 Multiplicative Inverse
 Additive Identity
 Multiplicative Identity
 is a/an______________ number.

 rational
 irrational
 both a & b
 neither a nor b
 Convert 2.40 into a rational number.

 2/40
 1/20
 24/100
 12/5
 Which one is terminating decimal fractions?

 4/ 3
 4/5
 3/11
 4/9
 Which one is a nonterminating decimal fraction?

 3/2
 4/5
 11/6
 3/4
 Which one is a recurring decimal?

 19/20
 17/6
 15/8
 25/10
 Which one is not a recurring decimal fraction?

 3/2
 4/3
 11/6
 4/11
 Rounding off up to three decimal places: 47648

 15.476
 15.477
 15.475
 15.4
 After converting, 22/6 is a_____________ decimal.

 Terminating
 Nonterminating but recurring
 Nonterminating nonrecurring
 None of these
 In terminating decimal, division_______________ after a finite number of steps.

 becomes zero
 remains continue
 stops
 becomes same
 A fraction will be terminating decimal if the___________ has 2 or 5 or both as factors of denominator.

 numerator
 fraction
 number
 None of these
 In recurring decimal, single digit or_____________ of digit repeat themselves.

 numerator
 denominator
 fraction
 block
 To separate a whole number from fractional part in a decimal, we use_________ symbol.

 ___
 :
 .
 /
 If we round off the decimal 3.8649 up to two places, we get

 3.86
 3.85
 3.865
 3.9
 A rational number is terminating decimal, if its denominator has no prime factor other than_____________.

 2 & 5
 3 & 5
 4 & 5
 5 & 7
 When we convert 0.75 into the rational number, we get:

 1/2
 1/3
 3/4
 1
 How many statements are true?
 A nonterminating decimal may be recurring or nonrecurring.
 A terminating decimal represents a rational number.
 There are two types of decimals, terminating & nonterminating decimals.
 0.5721111…… is a nonterminating but recurring decimal.

 1
 2
 3
 4
 A number is to be multiplied by itself according to the exponent.

 Base
 Index
 coefficient
 exponent
50. Which statement is false?

 The square of an even number is even.
 The square of an odd number is odd.
 The square of the proper fraction is less than itself.
 The square of a decimal less than 1 is greater than the given decimal
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