what time will be after two and one half hour on the given clock
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Step-by-step explanation:
) At 1 o'clock the minute hand is 5 minutes behind the hour hand The minute hand gains 5 minutes in 5×
11
12
minutes i.e. in 5
11
5
minutes Thus the hands will coincide at 5
11
5
minutes past 1 o'clock
(b) when thehands are in opposite direction the difference is 30 minutes so the minutes hand has to gain (5+30) min i.e. 35 minutes which it can do in 35×
11
12
minutes
(c) when the hands are at right angle they are 15 minutes apart So the hands are at right angle for the first time when the minute hand will gain (5+15) minutes
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