Seven airline flight 101,102,103,105,106, and 107 are to be scheduled for departure one at a time on the hour, form 9.00 am until 3:00 pm. The scheduled must confirm the following requirements: Flight 101 must depart at 9:00 am of light 105 must depart late tan flight 103, and also later than of light 102 Flight 104, 106 and 107 must depart on consecutive hours in that order
Which of the follwoing list three flight in a sequance from first to last in which they could be scheduled to depart consecutively?
