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?
Answers: A) 80 rooms B) 90 rooms C) 70 rooms D) 60 rooms E) 10 rooms
There are total 450 rooms.   Out of which 299 room number starts with either 1, 2 or 3. (as room number 100 is not there) Now out of those 299 rooms only 90 room numbers end with 4, 5 or 6.   Ans : The probability is 90/450 so 90 rooms   Answer 90 rooms
<result>B</result>
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?