You are a member of a spaceship crew who have to return with their spaceship to the mother ship at an illuminated place on the moon. As a result of mechanical failure you have in fact to land at a place which lies approximately 300 kms from the mother ship. During the landing much of the equipment on board is damaged. You can only survive if you reach the mother ship.
Attached you will find a list of fifteen items which have remained undamaged after the landing. Arrange them in order of importance for your crew so that you can reach the mother ship
Magnetic compass First aid kit containing i.e. hypodermic needles Parachute silk 25 litres of water in 5 cans Box of matches Box of milk powder 25 meters of nylon rope Solar powered FM radio transmitter/receiver Food concentrate Self-inflating life raft Firework rockets Two 50-litre tanks of oxygen Map of the moon Two 45 caliber pistols Portable heater unit
Rank Item Reason
15
Box of matches
No air on the Moon so matches will not burn
3
Food concentrate
Efficient means of supplying energy requirements
6
25 meters of nylon rope
Useful in scaling cliffs or in case of injury
8
Parachute silk
Possible use as a sun shield
12
Portable heater unit
Not needed unless sun goes down
13
Two 45 caliber pistols
Possible means of self-propulsion
11
Box of milk powder
Bulkier duplication of energy source
1
Two 50-litre tanks of oxygen
The most pressing survival requirement
4
Map of the moon
Primary means of navigation on the moon
9
Self-inflating life raft
CO2 bottle in raft might be used as a propulsion source
14
Magnetic compass
Magnetic fields of moon are not polarized so compass is useless
2
25 litres of water in 5 cans
Replacement of fluid loss
10
Firework rockets
Distress signal when mother ship is signed
7
First aid kit containing i.e. hypodermic needles
Needles for liquids and medicines fit special suit aperture
5
Solar powered FM