kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Math Word Problems - GED, PSAT, SAT, ACT, GRE Preparation
7.15 Ratios and Proportions

Ratios Facts:
  • A ratio is a comparison.
  • The units must be the same.
  • They are written as a fraction or with a colon.

    Proportions:
  • A proportion is two ratios set equal.
  • They may be direct or inverse.
  • They are solved by cross-multiplication.


  • Q 1: If 4 men can do a job in 10 days. How many days does it take 2 men to do the same job? (Hint: Inverse proportion)
    10 days
    20 days
    5 days

    Q 2: Jan's car uses 35 gallons of gas to drive 250 miles. At this rate approximately how many gallons of gas will she need for a trip of 800 miles.
    112
    110
    120

    Q 3: A team won 25 games in a 40-game season. Find the ratio of games won to games lost.
    5/3
    5/4
    4/5

    Q 4: If 4 planes can carry 800 passengers, how many planes are needed to carry 1600 passengers?
    12
    10
    8

    Q 5: Two children weighing 30 and 40 pounds balance a teeter totter(seesaw). How many feet from the fulcrum must the heavier boy sit if the lighter boy is 8 feet from the fulcrum?
    6
    7
    8

    Q 6: If 3 men can paint a house in 2 days, how long will it take 2 men to do the same job? (Hint: Inverse relationship: fewer men - more days to paint the house. 3/2 = 2/x )
    1 1/3 days
    2 days
    2 1/2 days

    Q 7: In the proportion x:y = z:d, Solve for d in terms of x,y, and z.
    d = yz/x
    d = xy/z
    d = zx/y

    Q 8: If 30 people construct a structure in 4 days. How long will it take for 40 people to construct the same structure?
    4 days
    5 days
    3 days

    Question 9: This question is available to subscribers only!

    Question 10: This question is available to subscribers only!


    Subscription to kwizNET Learning System offers the following benefits:

    • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
    • Instant scoring of online quizzes
    • Progress tracking and award certificates to keep your student motivated
    • Unlimited practice with auto-generated 'WIZ MATH' quizzes
    • Child-friendly website with no advertisements
    • Choice of Math, English, Science, & Social Studies Curriculums
    • Excellent value for K-12 and ACT, SAT, & TOEFL Test Preparation
    • Get discount offers by sending an email to discounts@kwiznet.com

    Quiz Timer