What is the angle between the two hands of a clock at 4’O clock?
Explanation:
The clock can be divided into 12 sectors of 30° each. (A sector would cover the area between any two consecutive numbers and the center.)
At 4’O clock the area between the two hands would cover 4 such sectors.
∴ The angle between the hands will be 4 × 30° = 120°.
Hence, option (a).
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