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20 questions
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  • Q1
    6 pipes fill a tank in 120 minutes, then 5 pipes can fill it in _______ minutes
    108
    144
    100
    178
    30s
  • Q2
    What is a proportion?
    The answer when you multiply two ratios together.
    An equation showing two ratios are equal.
    30s
  • Q3
    The population of a country and the area of land per person are inversely proportional
    FALSE
    TRUE
    30s
  • Q4
    Choose the pair of ratios that forms a proportion.
    12:2 = 35:5
    2:14=6:36
    14:2 = 35:5
    14:2=36:6
    30s
  • Q5
    What is the missing term of 2/8=n/12 to make it equal ratio?
    5
    3
    2
    4
    30s
  • Q6
    The number of workers on a job and the time to complete the job.
    Direct Proportion
    Indirect Proportion
    30s
  • Q7
    Which situation involves a \bold{direct proportion}directproportion? As the number of miles you travel increases, the amount of petrol in the tank decreases.
    As the number of hours you study increases, the grade you get on your exams increases.
    As the amount of ice in a glass decreases as the temperature increases.
    30s
  • Q8
    30s
  • Q9
    30s
  • Q10
    Simplify 16:12
    4:3
    8:6
    32:24
    3:4
    30s
  • Q11
    Simplify 16:24:80
    4:6:20
    2:3:10
    2:3:4
    8:12:40
    30s
  • Q12
    There are 33 people on a bus. 19 are men. What is the ratio of men to women?
    19:14
    33:19
    14:19
    19:33
    30s
  • Q13
    In a room, the ratio of chairs to tables is 9:2. If there are 99 chairs, how many tables are there?
    18
    9
    22
    2
    30s
  • Q14
    30s
  • Q15
    There are 15 girls and 35 boys in a classroom. What is the ratio of boys to the total number of pupils?
    15:35
    35:15
    15:50
    35:50
    30s

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