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Calendars and Clocks · Question 35 of 65

Question 35

EasyOriginal question

Find the smaller of the two angles between the hands of a clock when it shows 7:20.

Options for question 35

Show the answer and explanation
CorrectNot quiteAnswer B

Correct answer: B

Explanation

  1. Angle =∣30×7−5.5×20∣=∣210−110∣=100∘= |30 \times 7 - 5.5 \times 20| = |210 - 110| = 100^\circ.

Worth noting

90° counts 3 hour-gaps from the 4 to the 7 but forgets the hour hand has moved 10∘10^\circ past 7. 260° is the reflex angle.

Concept
Angle between the hands by the formula
Typical time
40 s
Your time
—
The rule this testsAngles between the hands
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Ten questions from Calendars and Clocks, at your own pace.

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