Math, asked by subramanyamt7472, 11 months ago

If 5 persons can do a job in 30 day then 30 persons with twice efficency how many days this job will do finish

Answers

Answered by raj981
0

Answer:

2.5 days

Step-by-step explanation:

5 persons can do in 30 days

30 persons will do in 5 days ( men and days are inversely proportional)

it is given that they have twice efficiency

efficiency and days are inversely proportional

days would be: (1/2)*5

=5/2

= 2.5 days

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