AMC 10 2021 (Mock) Problems
Contents
Problem 1
Given that and
what is the value of
?
Problem 2
A bag of marbles consists of red marbles and
blue marbles. Each of these
marbles are pulled out one at a time. What is the probability that the
marble pulled out is red?
Problem 3
Meena has snakes,
are purple and the rest are green. Some of the snakes are poisonous. She knows that
of the poisonous snakes are green and the number of poisonous snakes which are purple is double the amount of poisonous snakes that are green. How many snakes are not poisonous?
Problem 4
How many ways are there to arrange blue tiles,
yellow tiles,
pink tiles, and
black tiles in a row such that all tiles of the same color are adjacent and no pink tile is adjacent to a black tile?