2nd Year Review 2
1
Express 60 and 48 as the product of their prime factors.
2
Find the Highest Common Factor of 60 and 48.
3
Find the Lowest Common Multiple of 60 and 48.
4
5
6
Find a) 30%
b) 65%
of 180
7
Convert a)
b) 0.02
into percentages
8
4608 ÷ 48
9
Represent the following information on a Venn Diagram:
“A class of 28 students were surveyed and asked if they ever had dogs
or cats for pets at home.
18 students said they had a dog.
16 students said they had a cat.
4 students said they had never had a dog or a cat.”
10
Three monkeys Barry, Harry and Larry met for tea in their favourite cafe, taking off
their hats as they arrived.
When they left, they each put on one of the hats at random.
What is the probability that none of them left wearing the same hat as when they
arrived?