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In a hotel, rooms are numbered from 101 to...

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In a hotel, rooms are numbered from 101 to 550. A room is chosen at random. What is the probability that room number starts with 1, 2 or 3 and ends with 4, 5 or 6? How many total rooms?

  1. 445
  2. 450
  3. 350
  4. 555
Asked By : HariCategory : Aptitude
Answer
b. 450

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