question_answer

In your study room a plane mirror is fixed to the wall in front of you and opposite to that wall, a wall-clock is hanging in which only marking were there without numbers. You observe the time in the mirror as 7:10 hrs. Then what is the actual time. (a) 4:50 hrs                          (b) 7:10 hrs (c) 7:50 hrs                          (d) 5:50 hrs.

Answer:

Subtract the observed time from 12 hrs.