1) A well-known Management Entrance Training Institute (METI) is introducing a new course. The course director identified the activities to be taken up before batches for the new course can be started. He also worked out the time required (with this existing resources) for each of these activities. Certain activities cannot be taken up unless certain other activities have been partially or fully completed. He has also estimated the cost incurred per week for each activity. All the details that he gathered are given in the table.The first batch for the new course can be started only when activities 3, 5, 6 and 7 are completed. He estimated a student enrolment of £500 for the first cohort for the new course. Denote week 1 as the week in which the course work starts. (It takes 3 weeks to complete S.N.O. 2) Costs are given in £.
What is the minimum total expenditure incurred before the first batch starts, excluding Marketing & Promotion?
The answer is £481k but I'm not sure how to work it out
2) The route from London to Athens crosses France, Italy and Greece. At 12:00 local time a plane left Athens for London flying at an average speed of 500 km per hour. At 13:00 local time another aircraft took off from London bound for Athens. It flew at an average speed of 400 km per hour. The route from London to Athens crosses France, Italy and Greece.
Which one of the following best describes where and when the aircraft would meet?
The answer is near Paris at 15:00 local time