If a conventional 12-hour analog clock shows the time as , what time does its reflection in a vertical plane mirror show?
Answer and explanation
Correct answer: A.
- Step 1: Mirror time for a 12-hour clock is obtained by subtracting the given time from .
- Step 2: Subtract: .
Answer
.
Why not the others: fails to reflect the minute hand across the vertical axis; subtracts from ; and subtracts an extra hour.
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