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Where will the minute hand of a clock st...

Where will the minute hand of a clock stop if it (a) starts at 12 and makes `1/2` of a revolution, clockwise? (b) starts at 2 and makes `1/2` of a revolution, clockwise? (c) starts at 5 and makes `1/4` of a revolution, clockwise? (d) starts at 5 and makes `3/4` of a revolution, clockwise?

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The hand of a clock rotates 3600 times in one complete clockwise round.
(a) If a clock hand starts at 12 and rotates half a revolution clockwise, it will rotate 180 degrees and stop at 6.
(a) If a clock hand starts at 2 and rotates half a revolution clockwise, it will rotate 180 degrees and end at 8.
(c) If a clock hand starts at 5 and rotates 1/4 of a revolution clockwise, it will spin 90 degrees and end at 8.
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