Question

25 workers can complete a work in hour
30.find the number of hour required to
complete the same work by 10 workers


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Answer 1

Given :-

• 25 workers can complete a work in hour 30.find the number of hour required to complete the same work by 10 workers.

To Find :-

• Number of hour to complete same work by 10 workers.

Solution :-

Now,

By using Unitary method, we get,

• ➞ 25 workers can do a work in 30 hours

• ➞ 1 worker takes to do work = 30/25 = 6/5hours

So,

• ➞ 10 worker can do it in = 6/5 × 10 = 12 hours

Answer 2

Step-by-step explanation:

25 workers can complete a work in 30 hours.

So 1 worker can complete the work = 30/25

10 workers can do it = 10(6/5)

= 12 hrs