Question

2. Railways and airlines use the 24-hour clock rather than the 12-hour clock.
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Answer 1

Answer:

We normally use 12-hour clock system. The hour hand of the clock goes round the dial twice a day (24 hours). Some departments like railways, Airlines, etc use 24-hour clock system because they do not use a.m. and p.m. times. In a 24-hour clock system, we express time in four digits.

Explanation:

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