MINDRACE Learn ⚔️ Play free

Clocks

8 questions · EasyMediumHard

The minute hand moves 6° a minute and the hour hand 0.5° a minute. Clock angle questions follow from those two speeds.

💡 Quick tricks

Angle at H:M = |30H − 5.5M| degrees; if over 180°, subtract from 360°.
At 3:00 the hands are 90° apart; at 6:00, 180°.
The hands coincide about every 65 5/11 minutes.

8 questions

🎯 Try it yourself

Tap an answer. You'll see if it's right, and why. Easy ones come first.

Q1Easy

Smaller angle between the clock hands at 9:00?
Show answer
Answer: B. 90°
💡 Angle = |30 × 9 − 5.5 × 0| = 90°.
Q2Easy

Smaller angle between the clock hands at 5:00?
Show answer
Answer: A. 150°
💡 Angle = |30 × 5 − 5.5 × 0| = 150°.
Q3Easy

Smaller angle between the clock hands at 1:00?
Show answer
Answer: A. 30°
💡 Angle = |30 × 1 − 5.5 × 0| = 30°.
Q4Medium

Smaller angle between the clock hands at 1:15?
Show answer
Answer: B. 52.5°
💡 Angle = |30 × 1 − 5.5 × 15| = 52.5°.

Q5Medium

Smaller angle between the clock hands at 6:15?
Show answer
Answer: A. 97.5°
💡 Angle = |30 × 6 − 5.5 × 15| = 97.5°.
Q6Medium

Smaller angle between the clock hands at 11:45?
Show answer
Answer: A. 82.5°
💡 Angle = |30 × 11 − 5.5 × 45| = 82.5°.
Q7Hard

Smaller angle between the clock hands at 2:50?
Show answer
Answer: A. 145°
💡 Angle = |30 × 2 − 5.5 × 50| = 145°.
Q8Hard

Smaller angle between the clock hands at 11:20?
Show answer
Answer: D. 140°
💡 Angle = |30 × 11 − 5.5 × 20| = 140°.

Think you're fast?

Practised clocks? Race another player live: 10 questions, 90 seconds, one winner.

⚔️ Play a 1v1, free