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How many times in a day, are the hands of a clock in straight line but opposite in direction.

  • A.20
  • B.22
  • C.24
  • D.48

Answer: B

The hands are opposite once in every hour except between 5 and 6 o'clock, where the opposition falls exactly at 6 and is shared with the next hour.

\[ 11 \text{ times in 12 hours} \times 2 = 22 \text{ times in a day} \]

The count matches the 22 coincidences, since the hands are opposite exactly once between successive meetings.

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