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Races & Games · Question 21 of 73

How long does B take to run the 200 m?

Question 21

MediumOriginal question

In a 200 m race, A finishes in 25 seconds and beats B by 40 m.

How long does B take to run the 200 m?

Options for question 21

Show the answer and explanation
CorrectNot quiteAnswer D

Correct answer: D

Explanation

  1. B runs at 6.4 m/s.

  2. 2006.4=31.25\frac{200}{6.4} = 31.25 seconds.

Worth noting

30 seconds adds 5 seconds for the 40 m at A's speed; B covers it more slowly.

Concept
A runner's time
Typical time
120 s
Your time
—
The rule this testsBeating by a distance or a time
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Ten questions from Races & Games, at your own pace.

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Ten questions from Races & Games, at your own pace.

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