Solve problems using multiples and factors quiz test questions - 3rd level Maths Revision

1

A shop sells 4 chairs in a set.

Which of the following numbers of chairs make complete sets?

12, 20, 35

12, 20, 28

12, 22, 28

2

Eggs are packed in boxes of 6.

Which of the following numbers of eggs fill a whole number of boxes?

21, 24, 27, 30

12, 21, 30, 38

12, 18, 24, 30

3

There are 7 days in a week.

Which of the following numbers of days are an exact number of weeks?

22, 28, 40, 45

21, 28, 36, 49

28, 49, 63, 77

4

9 is not a factor of:

109

5

The factors of 25 are:

0, 5, 25

1, 5, 25

5, 25

6

Which of the following is a multiple of 3 and 4 as well as a factor of 48?

7

In Samantha’s garden there are two flashing lights that come on at the same time. Both flash straight away when switched on. The first light then flashes every 6 seconds while the second light flashes every 8 seconds. Including when they first flash together, how many times will they flash at the same time during the first minute?

8

36 boxes of the same size need to be stacked neatly against a wall to make a rectangle shape. How many different ways can they be stacked to make a rectangle against the wall?

9

Andrew is a collector of books about planes. He currently has 75 of them and wants to display them in a new bookcase that will fit an equal amount of books on each shelf. In a shop, he spots two bookcases: a 3-shelf and a 6-shelf bookcase. Each shelf can hold a maximum of 25 books. Which would be the best choice for Andrew to buy and why?

Either the 3 or the 6 would do as they would both have equal space for the books

He should choose the 6-shelf bookcase. This will allow more space for the books on each shelf

He should choose the 3-shelf bookcase. This will allow him to have the same number of books on each shelf

10

James is thinking of two numbers and gives Anthea two clues to figure out what the numbers are. He tells her that they are both factors of 48 and add together to make 19. What is one of the numbers?