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Calendars and Clocks · Question 51 of 65

Question 51

EasyOriginal question

Dhruv's watch loses 3 minutes every hour. He sets it right at 12 noon. What will it show at 8 p.m. the same day?

Options for question 51

Show the answer and explanation
CorrectNot quiteAnswer A

Correct answer: A

Explanation

  1. From noon to 8 p.m. is 8 hours.

  2. Loss =8×3=24= 8 \times 3 = 24 minutes, so the watch shows 8:00−248{:}00 - 24 min == 7:36 p.m.

Worth noting

8:24 p.m. adds the loss. 7:57 p.m. takes off only one hour's loss.

Concept
Reading of a clock that loses
Typical time
40 s
Your time
—
The rule this testsClocks that gain or lose
Practise this chapter →

Ten questions from Calendars and Clocks, at your own pace.

Practise this chapter →

Ten questions from Calendars and Clocks, at your own pace.