Job

Solve the following mathematical problems:

A teacher has 6 hours to grade all the papers submitted by the 35 students in his class. He ge through the first 5 papers in 1 hour. How much faster should he work to grade the remaini papers in the allotted time?

(Time & Work)

dsuc.created: 2 years ago | dsuc.updated: 1 year ago
dsuc.updated: 1 year ago

Remaining papers = 35-5=30

Remaining time = 6-1=5 hours

Required new efficiency should be 305 = 6 papers per hour

He must work = (6-5)×1005%=1×1005% = 20%  faster. (answer)

1 year ago

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