Discrete Structure (DS) MCQ Questions with answers and solutions Page 2

Q. let A={{a,b}} then aЄ A

(A) TRUE
(B) FALSE
(C) Both
(D) None

💬 Discuss

✅ Correct Answer: (B) FALSE

Published by Mr. Dubey ⭐ 104.82K Points at 14-Jun-2020 11:59 am in Discrete Structure (DS)

Q. ФЄФ

(A) TRUE
(B) FALSE
(C) Both
(D) None

💬 Discuss

✅ Correct Answer: (B) FALSE

Published by Mr. Dubey ⭐ 104.82K Points at 14-Jun-2020 11:59 am in Discrete Structure (DS)

Q. The sets {a,b,c} and {b,c,a} represnet the same sets.

(A) TRUE
(B) FALSE
(C) Both
(D) None

💬 Discuss

✅ Correct Answer: (A) TRUE

Published by Mr. Dubey ⭐ 104.82K Points at 14-Jun-2020 11:59 am in Discrete Structure (DS)

Q. Cardinality of a set is number of element of the set.

(A) TRUE
(B) FALSE
(C) Both
(D) None

💬 Discuss

✅ Correct Answer: (A) TRUE

Published by Mr. Dubey ⭐ 104.82K Points at 14-Jun-2020 11:59 am in Discrete Structure (DS)

Q. Multiset is an unordered collection of elemnts where an element can occur a a member more than once

(A) TRUE
(B) FALSE
(C) Both
(D) None

💬 Discuss

✅ Correct Answer: (A) TRUE

Published by Mr. Dubey ⭐ 104.82K Points at 14-Jun-2020 11:59 am in Discrete Structure (DS)

Q. one of the A or B is uncountably infinite and one is countably infinite then | AUB| will be

(A) countably infinite
(B) uncountably finite
(C) countably finite
(D) uncountably infinite

💬 Discuss

✅ Correct Answer: (D) uncountably infinite

Published by Mr. Dubey ⭐ 104.82K Points at 14-Jun-2020 11:59 am in Discrete Structure (DS)

Q. Sum of first n positive integers is

(A) n(n+1)
(B) n
(C) n(n+1)0.5
(D) n(n+2)

💬 Discuss

✅ Correct Answer: (C) n(n+1)0.5

Published by Mr. Dubey ⭐ 104.82K Points at 14-Jun-2020 11:59 am in Discrete Structure (DS)

Q. Let P(S) denote the power set of set S. which of the is always true

(A) P(P(s))=p(s)
(B) P(S)∩ S= P(S)
(C) P(S)∩P(P(S)) ={Ф}
(D) None

💬 Discuss

✅ Correct Answer: (C) P(S)∩P(P(S)) ={Ф}

Published by Mr. Dubey ⭐ 104.82K Points at 14-Jun-2020 11:59 am in Discrete Structure (DS)

Q. {3}Є{1,3,5}

(A) TRUE
(B) FALSE
(C) Both
(D) None

💬 Discuss

✅ Correct Answer: (B) FALSE

Published by Mr. Dubey ⭐ 104.82K Points at 14-Jun-2020 11:59 am in Discrete Structure (DS)

Q. consider the following data for 120 mathematics students at a college concerning the languages French,Gernan, and russian: 65 study frensh, 45 study german 42 study russian , 20 study french and german, 25 study french and russian, 15 study german and russian. 8 study all three languages. Determine how many students study exactly 1 subject?

(A) 100
(B) 25
(C) 56
(D) 20

💬 Discuss

✅ Correct Answer: (C) 56

Published by Mr. Dubey ⭐ 104.82K Points at 14-Jun-2020 11:59 am in Discrete Structure (DS)

Discrete Structure (DS) MCQs | Page - 2

Q. let A={{a,b}} then aЄ A

Q. ФЄФ

Q. The sets {a,b,c} and {b,c,a} represnet the same sets.

Q. Cardinality of a set is number of element of the set.

Q. Multiset is an unordered collection of elemnts where an element can occur a a member more than once

Q. one of the A or B is uncountably infinite and one is countably infinite then | AUB| will be

Q. Sum of first n positive integers is

Q. Let P(S) denote the power set of set S. which of the is always true

Q. {3}Є{1,3,5}

Explore More Categories

📱 Download Our App