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percent, ratio, and proportions

Quiz by Nova

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10 questions
Show answers
  • Q1
    In a class of 30 students, if 12 are girls, the ratio of girls to boys is ______.
    1:2
    3:2
    2:3
    1:3
    30s
  • Q2
    If a dress originally priced at $80 is on sale for 25% off, the discount amount is ______ dollars.
    25
    15
    20
    30
    30s
  • Q3
    A recipe requires a ratio of water to flour of 3:5. If you have 15 cups of flour, you need ______ cups of water.
    8
    12
    9
    10
    30s
  • Q4
    If a store sells an item for $120 after applying a 20% discount, the original price was ______ dollars.
    140
    160
    100
    150
    30s
  • Q5
    In a survey, 40% of respondents said they preferred cats over dogs. If 200 people were surveyed, ______ respondents preferred cats.
    60
    100
    80
    90
    30s
  • Q6
    If two numbers are in the ratio 4:3 and their sum is 28, the larger number is ______.
    14
    12
    16
    18
    30s
  • Q7
    If you divide a number by 7 and then add 11, you get 25. The original number is ______.
    70
    84
    98
    56
    30s
  • Q8
    A car travels 150 miles using 5 gallons of fuel. The car's fuel efficiency is ______ miles per gallon.
    40
    30
    25
    35
    30s
  • Q9
    If a population of bacteria doubles every hour and starts at 500, it will be ______ after 3 hours.
    4000
    2000
    6000
    8000
    30s
  • Q10
    If a student scores 45 out of 60 on a test, the percentage score is ______%.
    75
    80
    65
    70
    30s

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