**1. Minute Spaces:**

The face or dial of
watch is a circle whose circumference is divided into 60 equal parts, called
minute spaces.

**Hour Hand and Minute Hand:**

A clock has two
hands, the smaller one is called the

**hour hand**or**short hand**while the larger one is called**minute hand**or**long hand**.**2.**

**i.**In 60 minutes, the minute hand gains 55 minutes on the hour on the hour hand.

**ii.**In every hour, both the hands coincide once.

**iii.**The hands are in the same straight line when they are coincident or opposite to each other.

**iv**. When the two hands are at right angles, they are 15 minute spaces apart.

**v**. When the hands are in opposite directions, they are 30 minute spaces apart.

**vi**. Angle traced by hour hand in 12 hrs = 360°

**vii.**Angle traced by minute hand in 60 min. = 360°.

**viii.**If a watch or a clock indicates 8.15, when the correct time is 8, it is said to be 15 minutes

**too fast**. On the other hand, if it indicates 7.45, when the correct time is 8, it is said to be 15 minutes

**too slow**.

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