I29-06

Question

A new cruise line is offering ten different cruise ships for upcoming voyages. Each ship sails to one of three regions, and its journey lasts either less than two weeks or more than two weeks. The cost listed is the price  per person . A cruise may also include access to various features—such as a casino, onboard spa and wellness center, or guided shore excursions—depending on the ship.
      Ship Number   Ship Name   Destination   Duration   Price per Person (€)       1   Ocean Pearl   Caribbean   Less than 2 weeks   1800       2   Sea Voyager   Caribbean   More than 2 weeks   2400       3   Coral Sun   Caribbean   Less than 2 weeks   1650       4   Blue Horizon   Mediterranean   More than 2 weeks   2600       5   Bella Maris   Mediterranean   Less than 2 weeks   1700       6   Mare Sereno   Mediterranean   More than 2 weeks   2500       7   Solstice Dream   Mediterranean   Less than 2 weeks   1850       8   Northern Majesty   Northern Europe   Less than 2 weeks   1950       9   Fjord Spirit   Northern Europe   More than 2 weeks   2750       10   Glacial Queen   Northern Europe   Less than 2 weeks   2100Three couples are considering booking a cruise, and each has specific priorities. Each couple will book exactly one cruise ship. Their preferences are as follows:
 
 Ana and Leo  want a cruise to the  Caribbean  that lasts  less than two weeks . Among all ships meeting these criteria, they will choose the one with the  highest price per person .
 
 Mira and Jonas  want a ship that includes access to  all three features  listed in the Features tab.
 
 Clara and Theo  want a cruise to the  Mediterranean  that lasts  more than two weeks  and includes access to  at least two of the three features .The table below indicates which features are included in the fare for each ship. A “Yes” means the ship includes that feature.
      Ship Number   Casino   Onboard Spa & Wellness Center   Guided Shore Excursions      1  Yes  Yes  No     2  Yes  Yes  Yes     3  Yes  No  No     4  Yes  No  Yes     5  No  Yes  No     6  No  Yes  Yes     7  No  Yes  Yes     8  No  Yes  No     9  Yes  No  Yes     10  No  No  Yes

Bunuel · Answer

Official Solution:

Ship 2 
 
Includes all three features (casino, spa, and excursions), so it meets the “at least two” requirement and includes a casino. However, it sails to the  Caribbean , while Clara and Theo require a cruise to the  Mediterranean .  Answer: No 
 
 Ship 4 
 
Sails to the  Mediterranean , lasts more than two weeks, and includes  casino + excursions  (two features). It meets all criteria, and the casino is one of the two features.  Answer: Yes 
 
 Ship 6 
 
Also sails to the  Mediterranean  and lasts more than two weeks. It includes  spa + excursions  (two features) but does  not  include a casino, which Clara and Theo now require.  Answer: No

Correct answer:

Ship 2  "No"

Ship 4  "Yes"

Ship 6  "No"

Alick1 · Answer

I don’t quite agree with the solution. Clara and Theo need at least 2 of the 3 features which Ship no 6 is satisfying.

Bunuel · Answer

Ship 6 fails because it lacks a casino. The question explicitly adds that a casino must be one of the included features, not just any two. It has spa and excursions, so it doesn’t meet the condition.

I29-06

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My Rewards

Ship Number	Ship Name	Destination	Duration	Price per Person (€)
1	Ocean Pearl	Caribbean	Less than 2 weeks	1800
2	Sea Voyager	Caribbean	More than 2 weeks	2400
3	Coral Sun	Caribbean	Less than 2 weeks	1650
4	Blue Horizon	Mediterranean	More than 2 weeks	2600
5	Bella Maris	Mediterranean	Less than 2 weeks	1700
6	Mare Sereno	Mediterranean	More than 2 weeks	2500
7	Solstice Dream	Mediterranean	Less than 2 weeks	1850
8	Northern Majesty	Northern Europe	Less than 2 weeks	1950
9	Fjord Spirit	Northern Europe	More than 2 weeks	2750
10	Glacial Queen	Northern Europe	Less than 2 weeks	2100

Ship Number	Casino	Onboard Spa & Wellness Center	Guided Shore Excursions
1	Yes	Yes	No
2	Yes	Yes	Yes
3	Yes	No	No
4	Yes	No	Yes
5	No	Yes	No
6	No	Yes	Yes
7	No	Yes	Yes
8	No	Yes	No
9	Yes	No	Yes
10	No	No	Yes

Ship Number	Casino	Onboard Spa & Wellness Center	Guided Shore Excursions
1	Yes	Yes	No
2	Yes	Yes	Yes
3	Yes	No	No
4	Yes	No	Yes
5	No	Yes	No
6	No	Yes	Yes
7	No	Yes	Yes
8	No	Yes	No
9	Yes	No	Yes
10	No	No	Yes

Ship Number	Casino	Onboard Spa & Wellness Center	Guided Shore Excursions
1	Yes	Yes	No
2	Yes	Yes	Yes
3	Yes	No	No
4	Yes	No	Yes
5	No	Yes	No
6	No	Yes	Yes
7	No	Yes	Yes
8	No	Yes	No
9	Yes	No	Yes
10	No	No	Yes