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Discrete Structure (DS) MCQs: 212 Questions & Answers in Engineering

212 Discrete Structure (DS) MCQs in Engineering with answers & explanations. Page 2. Practice objective questions for competitive exams, interviews & self-as… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

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Discrete Structure (DS) MCQs: 212 Questions & Answers in Engineering

……… is an unordered collection of elements where an element can occur as a member more than once

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?

If U = {1, 2, 3, . . . 10 } and S = { 4, 5, 6, 7, 8 }, then S ' =

If U = {1, 2, 3, . . . 20 } and S = set of prime numbers , then S =

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?

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?

In above q.80 how many students exactly know 2 languages?

A preposition is a statement that is either ture or false

In q. 80 how many students know exactly 1 language?

A prepostition that is true under all circumstances is referred to as a ….

A prepostition that is false under all circumstances is referred to as a ….

p→q is logically equivalent to ~p V q according to…

A logical expression which consist of a product of elementary sum is caleed…..

A logical expression which consist of a sum of product is caleed…..

An assertion that contains one or more variable is called a….

p V ~(p٨q) is….

Determine the validity of argument given: s1: If I like mathematics then I will study. S2: Either I will study or I will fail. S: If I fail then I do not mlike mathematics.

Determine the validity of the argument s1: If I stay up late at night , then I will be tired in the morning. S2: I stayed up last last night s: I am tired this morning.

An argument is valid if, whenever the conclusion is true, thenthe premises are also true.

De Morgan's laaws are two examplesof rules of inference

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