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The reflection of a wall clock in a plane mirror shows the time as 4:20. What is the actual time?

819Medium DSSSB TGT Computer Science 0 replies 1 views
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The reflection of a wall clock in a plane mirror shows the time as 4:20. What is the actual time?

  • A7:40
  • B8:40
  • C7:20
  • D8:20
Correct answer: A

Explanation

Actual time = 11:60 − mirror time = 11:60 − 4:20 = 7:40.

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