The ratio of apples to oranges in a fruit basket is 7:3. If there are 21 oranges, how many apples are there?
Answer
9
27
49
63
Question 2
Question
Which of the following is an example of odds notation?
Answer
15 to 7
15:7
15/7
Question 3
Question
The total number of ducks and geese in a pond is 40. If there are 12 ducks, what is the ratio of ducks to geese?
Answer
3:7
7:3
3:10
10:3
Question 4
Question
There are 30 students in a class, the ratio of boys to girls is 2:1. Assuming the same number of boys, how many more girls are needed in the class to invert this ratio (i.e so that it is 1:2)?
Answer
10
20
30
40
Question 5
Question
Out of 100 pens, 30 are red, 45 are blue and the rest are green. Which of the following expresses the ratio of red pens to green pens to blue pens?
Answer
6:9:5
5:9:6
6:5:9
9:6:5
Question 6
Question
x:4 = 3:28
x = ?
Answer
28/12
4/3
7/4
3/7
Question 7
Question
If x is 4 times bigger than y, and the difference between x and y is 9, what is x equal to?
Answer
10
24
9
12
Question 8
Question
The scale on a map is 9cm : 10km. If two cities are 80km apart, how far away are they on the map?
Answer
80cm
63cm
72cm
90cm
Question 9
Question
For every 6 apples Tom buys, he eats 2, and gives 2 to his sister. For every 5 apples his sister gets from Tom, she eats 3. If Tom buys 60 apples, how many of them will be eaten?
Answer
15
24
48
32
Question 10
Question
John has 4 times more pencils than Megan. He gives he Megan 4 pencils, and now he only has twice as many pencils. How many pencils did Megan start with?