# Discrete Mathematics all previous/ past question papers

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Q1: Defines with examples:

1. Cardinality
2. Function
3. Concatenation
4. Quantifier
5. Predicates

Q2: Find the truth values of each proposition. Rewrite in each words, where UD = set of integers.

Q3: Find the number of positive integers ≤ 1776 and divisible by two, three or five?

Q4: A fresh man has selected four courses and needs one more course for the next term There are 15 courses in English, 10 in French, and 6 in German she is illegible to take. In how many ways can she choose the fifth course?

Q5: Check the validity of the following arguments.

• Babies are illogical.
• Nobody is despised who can manage a crocodile.
• Illogical persons are despised.
• Babies can manage crocodiles?

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