What is the angle between the hour hand and the minute hand of a clock at 7:20?
Answer and explanation
Correct answer: B. 100°
- Step 1: Apply the angular separation formula between the hour and minute hands: .
- Step 2: Substitute and : .
- Step 3: Taking the internal (minor) angle yields 100°.
Answer
100°.
Why not the others: The remaining options (70°, 260°, 115°) violate logical deduction rules, confuse necessary and sufficient conditions, or stem from calculation slips.
Practise more Clocks.
Free questions with an explanation for every one, and full timed CUET UG mock tests.
More Clocks questions
- What is the angle between the hour hand and the minute hand of a clock at 5:10?
- What is the angle between the hour hand and the minute hand of a clock at 10:40?
- What is the angle between the hour hand and the minute hand of a clock at 7:00?
- What is the angle between the hour hand and the minute hand of a clock at 4:40?
- What is the angle between the hour hand and the minute hand of a clock at 11:40?
- What is the angle between the hour hand and the minute hand of a clock at 3:50?