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Four workers worked on a project. The total time that the four workers
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10 Oct 2023, 01:00
10 Oct 2023, 01:00
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Four workers worked on a project. The total time that the four workers worked on the project was in the ratio 2 : 3 : 5 : 6. If one of the four workers worked on the project for 60 hours, which of the following can be the total number of hours that the four workers worked on the project?
Indicate all possible hours.
(A) 160
(B) 192
(C) 320
(D) 360
(E) 480
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Indicate all possible hours.
(A) 160
(B) 192
(C) 320
(D) 360
(E) 480
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Re: Four workers worked on a project. The total time that the four workers
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10 Oct 2023, 02:15
10 Oct 2023, 02:15
1
A : B : C: D = 2 : 3 : 5 : 6
A work for 60 hours 2x=60-> x =30
then the time take by rest of them will be
A=60 B=90 C=150 D=180 =480
B work for 60 hours 3x=60-> x =20
then the time take by rest of them will be
A=40 B=60 C=100 D=120 =320
C work for 60 hours 5x=60-> x =12
then the time take by rest of them will be
A=24 B=36 C=60 D=72 =192
D work for 60 hours 6x=60-> x =10
then the time take by rest of them will be
A=20 B=30 C=50 D=60 =160
Ans A,B,C,E
A work for 60 hours 2x=60-> x =30
then the time take by rest of them will be
A=60 B=90 C=150 D=180 =480
B work for 60 hours 3x=60-> x =20
then the time take by rest of them will be
A=40 B=60 C=100 D=120 =320
C work for 60 hours 5x=60-> x =12
then the time take by rest of them will be
A=24 B=36 C=60 D=72 =192
D work for 60 hours 6x=60-> x =10
then the time take by rest of them will be
A=20 B=30 C=50 D=60 =160
Ans A,B,C,E
gmatclubot
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