Math, asked by smjgmjdn, 25 days ago

if 30 men do one by 7 part of a job in 2 days how many days will 21 men take to do the job .

Answers

Answered by manojchauhanma2

1

Answer:

Another way:

If it takes 30 men 14 days to complete a job, it will take 21 men 10/7 * 14 days (=20 days) to complete the job. (30/21 = 10/7)

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