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Hamid flies from Mumbai at the night time on clock A (Indian time) and lands in Tokyo the next morning at the time on clock B (Tokyo time). Tokyo is 3 h 30 min ahead of India. How long is the flight?

Competition practiceClocks
  • A10 h 15 min
  • B3 h 15 min
  • C7 h 15 min
  • D6 h 45 min

Step-by-Step Solution

A shows 10:30 p.m. India time, which is 2:00 a.m. Tokyo time. Landing at 8:45 a.m. Tokyo time means 6 h 45 min in the air. (10 h 15 min forgets the time difference; 3 h 15 min subtracts it twice.)
Answer: D) 6 h 45 min

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