Q. ……… is an unordered collection of elements where an element can occur as a member more than once
✅ Correct Answer: (A)
Multiset
Discrete Structure (DS) MCQs | Page - 3
Dear candidates you will find MCQ questions of Discrete Structure (DS) here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. In a room containing 28 females, there are 18 females who speak English, 15 females speak french and 22 speak german. 9 females speak both english and french, 11 females speak both french and german where as 13 speak both german and english. How many females speak all 3 languages?
✅ Correct Answer: (D)
6
Q. If U = {1, 2, 3, . . . 10 } and S = { 4, 5, 6, 7, 8 }, then S ' =
✅ Correct Answer: (D)
{1, 2, 3 9 10 }
Q. If U = {1, 2, 3, . . . 20 } and S = set of prime numbers , then S =
✅ Correct Answer: (B)
{ 2, 3, 5, 7, 11, 13, 17, 19 }
Q. Consider the statement,“If n is divisible by 30 then n is divisible by 2 and by 3 and by 5.”Which of the following statements is equivalent to this statement?
✅ Correct Answer: (D)
If n is not divisible by 2 or not divisible by 3 or not divisible by 5 then n is not divisible by 30
Q. In a class of 80 students , 50 students know English, 55 know french and 46 know german language. 37 students know english and french, 28 students know french and german, 7 students know none of the languages. Find out how many students know all the three languages?
✅ Correct Answer: (A)
73
Q. In above q.80 how many students exactly know 2 languages?
✅ Correct Answer: (B)
54
Q. In q. 80 how many students know exactly 1 language?
✅ Correct Answer: (C)
7
Q. A preposition is a statement that is either ture or false
✅ Correct Answer: (A)
TRUE
Q. A prepostition that is true under all circumstances is referred to as a ….
✅ Correct Answer: (A)
Tautology
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