# Logic, Sets and Probability Quiz

## Make sure to try these on a piece of paper first

Question #3-1 Difficulty: Easy

Write down the negation for each of the following propositions:

a)$x\geq 5$ for $x\in \left \{ 3, 4, 5, 6, 7, 8 \right \}$

b) Mikel likes football.

c) All birds can fly.

d) The product of two odd numbers is always odd.

e) All animals walk on 4 legs.

f) 4 is an odd number.

g) Carla has blonde hair.

h) All animals that can fly are birds.

i) 4+9=12

j) The universe is infinite.

Question #3-2 Difficulty: Medium

This question is part of the Math Studies Online Revision Course
(but keep in mind that at least the first question of each topic is free!)

Question #3-3 Difficulty: Medium

This question is part of the Math Studies Online Revision Course
(but keep in mind that at least the first question of each topic is free!)

Question #3-4 Difficulty: Medium

This question is part of the Math Studies Online Revision Course
(but keep in mind that at least the first question of each topic is free!)

Question #3-5 Difficulty: Hard

This question is part of the Math Studies Online Revision Course
(but keep in mind that at least the first question of each topic is free!)