This set of Discrete Mathematics Multiple Choice Questions & Answers (MCQs) focuses on “Logics – Logical Equivalences”. 1. The compound propositions p and q are called logically equivalent if ________ is a tautology. a) p ↔ q b) p → q c) ¬ (p ∨ q) d) ¬p ∨ ¬q 2. p → q is … Read more
This set of Discrete Mathematics Multiple Choice Questions & Answers (MCQs) focuses on “Logics – Types of Statements”. 1. The contrapositive of p → q is the proposition of ____________ a) ¬p → ¬q b) ¬q → ¬p c) q → p d) ¬q → p 2. The inverse of p → q is the … Read more
This set of Discrete Mathematics Questions and Answers for Experienced people focuses on “Logics – Tautologies and Contradictions”. 1. A compound proposition that is always ___________ is called a tautology. a) True b) False 2. A compound proposition that is always ___________ is called a contradiction. a) True b) False 3. If A is any … Read more
This set of Discrete Mathematics Multiple Choice Questions & Answers (MCQs) focuses on “Logics and Proofs – De-Morgan’s Laws”. 1. Which of the following statements is the negation of the statements “4 is odd or -9 is positive”? a) 4 is even or -9 is not negative b) 4 is odd or -9 is not … Read more
This set of Discrete Mathematics Multiple Choice Questions & Answers (MCQs) focuses on “Logic Circuits”. 1. If there are ‘M’ switches in series numbered from 1, 2, …, M. For circuit to be complete and bulb to glow which of the following is necessary? a) 1∧ 2∧ 3 ∧ … ∧M should be on b) … Read more
This set of Discrete Mathematics Interview Questions and Answers for freshers focuses on “Logics – Implication and Double Implications”. 1. Let P and Q be statements, then P<->Q is logically equivalent to __________ a) P<->~Q b) ~P<->Q c) ~P<->~Q d) None of the mentioned 2. What is the negation of the statement A->(B v(or) C)? … Read more
This set of Discrete Mathematics Multiple Choice Questions & Answers (MCQs) focuses on “Logic and Bit Operations”. 1. Which of the following bits is the negation of the bits “010110”? a) 111001 b) 001001 c) 101001 d) 111111 2. Which of the following option is suitable, if A is “10110110”, B is”11100000” and C is”10100000”? … Read more
This set of Discrete Mathematics Multiple Choice Questions & Answers (MCQs) focuses on “Logics – Propositions”. 1. Which of the following statement is a proposition? a) Get me a glass of milkshake b) God bless you! c) What is the time now? d) The only odd prime number is 2 2. The truth value of … Read more
