A maritime shipping company sends out at least 1 ship ship every day. For a certain seven days, is the total number of the ships departed more than 25?
(1) In one of the seven days, 20 ships departed.
(2) The numbers of ships departed are different each day.
Given: A maritime shipping company sends out at least 1 ship ship every day.
Asked: For a certain seven days, is the total number of the ships departed more than 25?
(1) In one of the seven days, 20 ships departed.
Since the maritime shipping company sends out at least 1 ship ship every day. In each of the other days, minimum ships departed=1
Total minimum number of ships departed in 7 days = 20+1+1+1+1+1+1 =26>25
SUFFICIENT
(2) The numbers of ships departed are different each day.
Since the maritime shipping company sends out at least 1 ship ship every day & The numbers of ships departed are different each day.
Minimum number of ships departed in 7 days = 1+2+3+4+5+6+7= 28>25
SUFFICIENT
IMO D
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