High School

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Two and a quarter hours ago, when seen in a mirror, the reflection of a wall clock without number markings seemed to show a time. What is the actual current time shown by the clock?

A. 2:45 PM
B. 4:15 PM
C. 5:30 PM
D. 6:45 PM

Answer :

Final answer:

The question pertains to interpreting the mirror image of a clock to determine actual time, and involves understanding the concept of reflective symmetry and clock hand angles in mathematics or physics. Therefore option c) 5:30 PM

Explanation:

The subject of the question appears to be associated with the concept of time, relativity, and reflection, particularly in the context of a mirror image of a clock, and how this relates to the actual time displayed on the clock. This type of problem is often encountered in mathematics or physics, where it is necessary to analyze transformations or apply conceptual understanding to interpret reflective symmetry.

Practice Problems

In the context of clock angles, the question asks to determine the angle between the hour and minute hands at a specific time. The angle between the hour and minute hands at 9:00 a.m. is calculated as follows: the hour hand is at the 9, which is 270 degrees from the 12. The minute hand at 9:00 is at the 12, which is 0 degrees. Therefore, the angle between them is 270 degrees.

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