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Calendars and Clocks · Question 53 of 65

Question 53

EasyOriginal question

A clock loses 20 seconds every hour. How many minutes does it lose in one full day?

Options for question 53

Show the answer and explanation
CorrectNot quiteAnswer B

Correct answer: B

Explanation

  1. One day has 24 hours, so the loss =24×20=480= 24 \times 20 = 480 seconds.

  2. 480÷60=8480 \div 60 = 8 minutes.

Worth noting

480 is the loss in SECONDS; the question asks for minutes. 4.8 divides by 100 instead of 60.

Concept
Converting a per-hour loss to a daily loss
Typical time
40 s
Your time
—
The rule this testsClocks that gain or lose
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Ten questions from Calendars and Clocks, at your own pace.

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