Quiz maths ch -set theory

Exercise 7.1 – Set Theory Quiz

1. A set is a ____________ collection of distinct objects.

random finite well-defined unknown

2. Which of the following is a well-defined set?

All good players All beautiful flowers All vowels in the English alphabet All smart students

3. The number of elements in the set {1, 3, 5, 7, 9} is:

4 5 6 7

4. An example of an empty set is:

{x : x is a prime number less than 2} {0} {x : x > 1} {x : x is an even number}

5. Which one is a finite set?

{x : x is a natural number} {x : x is a whole number} {x : x is a natural number less than 50} {x : x is a multiple of 5}