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joyee joyee
  • 20-08-2014
  • Mathematics
Answered

Six workers can do 9 identical jobs in 3 days. How long will it take 4 workers to do 10 such jobs ???
A) 3 days
B) 4 days
C) 5 days
D) 6 days
E) more than 6 days

I guess it's ans is D.

Verified Answer :

basithsabdul basithsabdul
  • 20-08-2014

6 workers-9 jobs in 3 days
In one day 6 workers can do 3 jobs
In one day 1 worker can do 0.5 job
4 workers can so 2 jobs in a day
So. They can do 10 jobs in 5 days

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