1.

It Takes 6 Technicians 10 Hours To Build And Program A New Server From Direct Computer, With Each Working At The Same Rate. If Six Technicians Start To Build The Server At 11:00 Am, And One Technician Per Hour Is Added Beginning At 5:00 Pm, At What Time Will The Server Be Complete?

Answer»

TOTAL time required to complete job is 6 * 10 = 60 HOURS Work completed between 11am to 5pm by 6 TECHNICIAN = (6 * 6) = 36 hours

So remaining work = (60 - 36) = 24 hours Remaining work between 5pm to 6pm = 24 -7 = 17 hours. 

Similarly work completed between 6pm to 7 pm = 17 – 8 = 9 hours,

which is completed in next one hour i.e. Job is complete at 8.00PM.

Total time required to complete job is 6 * 10 = 60 hours Work completed between 11am to 5pm by 6 technician = (6 * 6) = 36 hours

So remaining work = (60 - 36) = 24 hours Remaining work between 5pm to 6pm = 24 -7 = 17 hours. 

Similarly work completed between 6pm to 7 pm = 17 – 8 = 9 hours,

which is completed in next one hour i.e. Job is complete at 8.00PM.



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