Hi, I solved this but took longer than 2 minutes, so I hope someone can tell me faster way to solve this problem... thankyou


Four staff members at a certain company worked on a project. The amounts of time that
the four staff members worked on the project were in the ratio 2 to 3 to 5 to 6. If one of
the four staff members worked on the project for 30 hours, which of the following
CANNOT be the total number of hours that the four staff members worked on the
project?
A. 80
B. 96
C. 160
D. 192
E. 240