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Ravi Kumar

· started a discussion

· 1 Months ago

How do we get the efficiency (Question:179728.0)

since both of them started work at different time . how did we get the efficiency here ?

Question:

Two workers undertake to do a job. The second worker started working 2 hours after the first. Five hours after the second worker has begun working there is still 9/20 of the work to be done. When the assignment is completed, it turns out that first worker has done 60% of the work, while second worker has done rest of the work. How many hours would take each one to do the whole job individually?

Options:
A) 10 hours and 12 hours   
B) 15 hours and 10 hours
C) 20 hours and 25 hours 
D) 18 hours and 20 hours
Solution:

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Please read the solution properly.
Keep learning,
Team TR

Ravi Kumar

· commented

· 1 Months ago

I got it . u proceed from Options . If possible can u please let me know the original procedure to solve the question
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