Aptitude - Clock
Exercise : Clock - General Questions
- Clock - Formulas
- Clock - General Questions
How many times are the hands of a clock at right angle in a day?
The angle between the minute hand and the hour hand of a clock when the time is 8.30, is:
How many times in a day, are the hands of a clock in straight line but opposite in direction?
At what time between 4 and 5 o'clock will the hands of a watch point in opposite directions?
At 4 o'clock, the hands of the watch are 20 min. spaces apart.
To be in opposite directions, they must be 30 min. spaces apart.
Minute hand will have to gain 50 min. spaces.
55 min. spaces are gained in 60 min.
|50 min. spaces are gained in||60||x 50||min. or 54||6||min.|
|Required time = 54||6||min. past 4.|
At what time between 9 and 10 o'clock will the hands of a watch be together?