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Find at what time between 9 and 10 oclock will the hands of a clock be in 180° ?

Find at what time between 9 and 10 oclock will the hands of a clock be in 180° ? Correct Answer 180\/11 min past 9

At 9 o’clock, the hour hand is at 9 and the minutes hand is at 12, i.e., the two hands are 15 min. spaces apart.So, the minute hand should gain = (30 - 15) minutes = 15 minutes55 minutes will be gained in 60 min.15 minutes spaces will be gained in ((60/55) x 15) min. = 180/11 min.The hands will be in the same straight line but not together i.e.,in 180 degrees at 180/11 min. past 9.

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