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Discrete Math

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46 Discrete Math Questions And Answers

1⟩ Power set of empty set has exactly _____ subset. a) One b) Two c) Zero d) Three

a) One

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2⟩ What is Discrete Math?

Discrete mathematics is the study of mathematical structures that are fundamentally discrete rather than continuous.

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3⟩ What is the Cartesian product of A = {1, 2} and B = {a, b}? a) {(1, a), (1, b), (2, a), (b, b)} b) {(1, 1), (2, 2), (a, a), (b, b)} c) {(1, a), (2, a), (1, b), (2, b)} d) {(1, 1), (a, a), (2, a), (1, b)}

c) {(1, a), (2, a), (1, b), (2, b)}

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4⟩ A _______ is an ordered collection of objects. a) Relation b) Function c) Set d) Proposition

c) Set

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5⟩ The set O of odd positive integers less than 10 can be expressed by ___________ . a) {1, 2, 3} b) {1, 3, 5, 7, 9} c) {1, 2, 5, 9} d) {1, 5, 7, 9, 11}

b) {1, 3, 5, 7, 9}

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6⟩ A man owns 2/3 of a computer service buroue business and sells 3/4 of his share for $75000.What is the value of the business?

150,000.

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7⟩ During given week a programmer spend 1/4 of his time preparing charts,3/8 of his time for coding,rest of his time for debugging the programs.If he had 48 hrs during the week how many hours did he spend debugging the program?

18hrs.

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8⟩ How many numbers must be selected from the set {1, 2, 3, 4, 5, 6} to guarantee that at least one pair of these numbers add up to 7?1 point2345?

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9⟩ If a 16 story building has 12000ft on each floor. Company A rents 7 floors and company B rents 4 floors. What is the number of square feet of unrented floor space?

60000 sqft.

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10⟩ What types of tools or measuring devices do you use related to math?

No devices use for measuring in math.

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11⟩ What types of math do you use? Re Calculus, Algebra, Fractions?

Every type. I am in calculus right now and it uses every time of mathematics that I have leaned previously.

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12⟩ The bit strings for the sets are 1111100000 and 1010101010. The union of these sets is ____________. a) 1010100000 b) 1010101101 c) 1111111100 d) 1111101010

d) 1111101010

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13⟩ The set difference of the set A with null set is ________. a) A b) null c) U d) B

a) A

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14⟩ Let Ai = {i, i+1, i+2, …..}. Then set {n, n+1, n+2, n+3, …..} is the _________ of the set Ai. a) Union b) Intersection c) Set Difference d) Disjoint

b) Intersection

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15⟩ The complement of the set A is _____________. a) A - B b) U - A c) A - U d) B - A

b) U - A

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16⟩ The difference of {1, 2, 3} and {1, 2, 5} is the set _________. a) {1} b) {5} c) {3} d) {2}

c) {3}

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17⟩ The bit string for the set {2, 4, 6, 8, 10} (with universal set of natural numbers less than or equal to 10) is ____________________. a) 0101010101 b) 1010101010 c) 1010010101 d) 0010010101

a) 0101010101

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18⟩ Which of the following two sets are disjoint? a) {1, 3, 5} and {1, 3, 6} b) {1, 2, 3} and {1, 2, 3} c) {1, 3, 5} and {2, 3, 4} d) {1, 3, 5} and {2, 4, 6}

d) {1, 3, 5} and {2, 4, 6}

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19⟩ Two sets are called disjoint if there _____________ is the empty set. a) Union b) Difference c) Intersection d) Complement

c) Intersection

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20⟩ The union of the sets {1, 2, 5} and {1, 2, 6} is the set _______________. a) {1, 2, 6, 1} b) {1, 2, 5, 6} c) {1, 2, 1, 2} d) {1, 5, 6, 3}

b) {1, 2, 5, 6}

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Discrete Math

Home Education and Science Discrete Math

46 Discrete Math Questions And Answers

1⟩ Power set of empty set has exactly _____ subset. a) One b) Two c) Zero d) Three

2⟩ What is Discrete Math?

3⟩ What is the Cartesian product of A = {1, 2} and B = {a, b}? a) {(1, a), (1, b), (2, a), (b, b)} b) {(1, 1), (2, 2), (a, a), (b, b)} c) {(1, a), (2, a), (1, b), (2, b)} d) {(1, 1), (a, a), (2, a), (1, b)}

4⟩ A _______ is an ordered collection of objects. a) Relation b) Function c) Set d) Proposition

5⟩ The set O of odd positive integers less than 10 can be expressed by ___________ . a) {1, 2, 3} b) {1, 3, 5, 7, 9} c) {1, 2, 5, 9} d) {1, 5, 7, 9, 11}

6⟩ A man owns 2/3 of a computer service buroue business and sells 3/4 of his share for $75000.What is the value of the business?

7⟩ During given week a programmer spend 1/4 of his time preparing charts,3/8 of his time for coding,rest of his time for debugging the programs.If he had 48 hrs during the week how many hours did he spend debugging the program?

8⟩ How many numbers must be selected from the set {1, 2, 3, 4, 5, 6} to guarantee that at least one pair of these numbers add up to 7?1 point2345?

9⟩ If a 16 story building has 12000ft on each floor. Company A rents 7 floors and company B rents 4 floors. What is the number of square feet of unrented floor space?

10⟩ What types of tools or measuring devices do you use related to math?

11⟩ What types of math do you use? Re Calculus, Algebra, Fractions?

12⟩ The bit strings for the sets are 1111100000 and 1010101010. The union of these sets is ____________. a) 1010100000 b) 1010101101 c) 1111111100 d) 1111101010

13⟩ The set difference of the set A with null set is ________. a) A b) null c) U d) B

14⟩ Let Ai = {i, i+1, i+2, …..}. Then set {n, n+1, n+2, n+3, …..} is the _________ of the set Ai. a) Union b) Intersection c) Set Difference d) Disjoint

15⟩ The complement of the set A is _____________. a) A - B b) U - A c) A - U d) B - A

16⟩ The difference of {1, 2, 3} and {1, 2, 5} is the set _________. a) {1} b) {5} c) {3} d) {2}

17⟩ The bit string for the set {2, 4, 6, 8, 10} (with universal set of natural numbers less than or equal to 10) is ____________________. a) 0101010101 b) 1010101010 c) 1010010101 d) 0010010101

18⟩ Which of the following two sets are disjoint? a) {1, 3, 5} and {1, 3, 6} b) {1, 2, 3} and {1, 2, 3} c) {1, 3, 5} and {2, 3, 4} d) {1, 3, 5} and {2, 4, 6}

19⟩ Two sets are called disjoint if there _____________ is the empty set. a) Union b) Difference c) Intersection d) Complement

20⟩ The union of the sets {1, 2, 5} and {1, 2, 6} is the set _______________. a) {1, 2, 6, 1} b) {1, 2, 5, 6} c) {1, 2, 1, 2} d) {1, 5, 6, 3}

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