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1. The concept about the sets was first introduced by George Cantor in _____________ century.
1. 17th
2. 18th
3. 19th
4. 20th
1. There are________________ different forms to express a set.
1. 2
2. 3
3. 4
4. 5
1. The descriptive form of set { 1, 2, 5, 10} is _______________.
1. The set of first four natural numbers.
2. The set of divisors of 10.
3. The set of first four prime numbers.
4. The set of multiples of 10.
1. If A = {4, 5, 6 } and B = { 1, 3, 5, 6 } then B – A = __________
1. {5, 6}
2. {4}
3. {1,3}
4. { 1, 3, 4}
1. A – B is also written as
1. B-A
2. AB
3. AB
4. A\B
1. Two sets are said to be___________ sets, if they have no common member.
1. Equal sets, if they have at least one common member and none of
2. Equivalent
3. disjoint
4. overlapping
1. Two sets are called_____________ sets, if they have at least one common member and none of them is a subset of the other set.
1. Cells
2. Intersection
3. disjoint
4. overlapping
1. If E = {2, 4, 6,….} and O={5, 10, 15,….}, then E and O sets are_________ sets.
1. Equal
2. disjoint
3. overlapping
4. None
1. A___________ is the set which consists all the members of the sets under considerations.
1. Subset
2. Power set
3. Universal set
4. Union
1. If A is a non-empty set then A’ U = ___________.
1. A
2. U
3. B
4. None of these
1. A(BUC) = (AB) U (AC) is called ________.
1. Associative property of Union
2. Associative property of Intersection
3. Distributive property of Union over intersection
4. Distributive property of intersection over Union
1. If A = {a, b, c} and U = {a, b, c, d, e} then A’ =___________
1. {a, b, c}
2. {b, c}
3. {c, d}
4. {d, e}
1. If A = {1, m, n} and B = {1, m, n, o} then B – A =___________
1. { }
2. {1, m, n}
3. {0}
4. {1, m, n, o}
1. If P = {1, 2, 3} and Q = {2, 3, 4} then PQ= ___________.
1. {2, 3}
2. {1}
3. {4}
4. {1, 2, 3, 4}
1. If U = {1, 2, 3, 4, 5, 6} X={2, 3, 4} & Y={4, 5, 6} then (XUY)’ =__________
1. { }
2. {1}
3. {4}
4. {1, 2, 3, 5, 6}
1. The symbol “v” is use for __________
1. And
2. Or
3. Belongs to
4. Such that
1. The Tabular form of A = (x | x Z x ≤ 2)
1. {0, 1, 2}
2. {0,}
3. {1, 0,-1,…}
4. { 2, 1, 0,-1,….}
1. Which statement is false?
1.       The intersection A and A’ is void set.
2.       The union of sets A and A’ will be the universal set.
3.        Commutative property of subtraction exist in Whole numbers.
4.       “U – A” is called complement of set A.
1. A number that can be expressed in the form p/q, where p & q are integers and q ≠ 0.
1. Real
2. Rational
3. Irrational
4. None
1. Division of any number by zero is undefined. So, zero can never be a ________________ of fraction.
1. Numerator
2. Whole
3. Denominator
4. One
1. Which statement is true?
1. Every natural number and integer is also a rational number.
2. There are infinite rational numbers between 1 and 2.
3. Negative Integers are rational numbers.
4. Zero is not rational number.
1. How many statements are false?
1. 0/5 is a rational number.
2. 11/5 is a rational number between 5 & 6.
3. 5/0 is a rational number.
4. √2 is rational number.
1. 1
2. 2
3. 3
4. All
1. Multiplicative inverse of -1.
1. 0
2. 1
3. +1
4. -1
1. Every fraction as well as integer is _____________.
1. Real
2. Rational
3. Irrational
4. Integer
1. Additive inverse of -4/5.
1. 4/5
2. -4/5
3. -5/4
4.  5/4
1. Insert the correct number. 2/3 <______________< 7/9
1. 4/5
2. 7/3
3. 1/2
4. 3/7
1. The rational number p/q and-p/q are called______________ of each other.
2. Multiplicative Inverse
4. Multiplicative Identity
1. The rational number zero has no ________________.
2. Multiplicative Inverse
4. Multiplicative Identity
1. The _______________inverse of a rational number is its reciprocal.
2. Multiplicative
3. both a and b
4. None of these
1. 1/3 + 1/2 = ______________.
1. 2/5
2. 1/5
3. 5/6
4. 1/6
1. 2/5 + (-4/5) = _________________.
1. 2/5
2. -2/5
3. 6/5
4. -2
1. “0” is called _______________.
2. Multiplicative Inverse
4. Multiplicative Identity
1. is a/an______________ number.
1. rational
2. irrational
3. both a & b
4. neither a nor b
1. Convert 2.40 into rational number.
1.  2/40
2.  1/20
3.  24/100
4.  12/5
1. Which one is terminating decimal fraction?
1. 4/ 3
2. 4/5
3. 3/11
4. 4/9
1. Which one is non-terminating decimal fraction?
1. 3/2
2. 4/5
3. 11/6
4. 3/4
1. Which one is recurring decimal?
1. 19/20
2. 17/6
3. 15/8
4. 25/10
1. Which one is not recurring decimal fraction?
1. 3/2
2. 4/3
3. 11/6
4. 4/11
1. Rounding off up to three decimal place: 47648
1. 15.476
2. 15.477
3. 15.475
4. 15.4
1. After converting, 22/6 is a_____________ decimal.
1. Terminating
2. Non-terminating but recurring
3. Non-terminating non-recurring
4. None of these
1. In terminating decimal, division_______________ after a finite number of steps.
1. becomes zero
2. remains continue
3. stops
4. becomes same
1. A fraction will be terminating decimal if the___________ has 2 or 5 or both as factors of denominator.
1. numerator
2. fraction
3. number
4. None of these
1. In recurring decimal, single digit or_____________ of digit repeat themselves.
1. numerator
2. denominator
3. fraction
4. block
1. To separate a whole number from fractional part in a decimal, we use_________ symbol.
1. ___
2. :
3. .
4. /
1. If we rounding off the decimal 3.8649 up to two places, we get
1. 3.86
2. 3.85
3. 3.865
4. 3.9
1. A rational number is terminating decimal, if its denominator has no prime factor other than_____________.
1. 2 & 5
2. 3 & 5
3. 4 & 5
4. 5 & 7
1. When we convert 0.75 into the rational number, we get:
1. 1/2
2. 1/3
3. 3/4
4. 1
1. How many statements are true?
1. A non-terminating decimal may be recurring or non-recurring.
2. A terminating decimal represents a rational number.
3. There are two types of decimal, terminating & non-terminating decimals.
4. 0.5721111…… is non-terminating but recurring decimal.
1. 1
2. 2
3. 3
4. 4
1. A number which is to be multiplied by itself according to exponent.
1. Base
2. Index
3. coefficient
4. exponent

50. Which statement is false?

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