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Journeys at uniform speed

Exercise and reference answers

Questions
  1. Question
    A train at 75 km/h covers, in 4 hours
    Choices
    1. 300 km
    2. 75 km
    3. 150 km
    Correct choice
    300 km
  2. Question
    It covers 150 km in
    Choices
    1. 1 hour
    2. 2 hours
    3. 4 hours
    Correct choice
    2 hours
  3. Question
    Covering three times the distance takes
    Choices
    1. a third of the time
    2. the same time
    3. three times the time
    Correct choice
    three times the time
  4. Question
    Distance divided by time gives
    Choices
    1. speed
    2. distance
    3. time
    Correct choice
    speed

Explanation

At uniform speed, distance is directly proportional to time so the arithmetic scales cleanly. Source: syllabus Maths, Ch 11 Direct and Inverse Proportions.
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