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6 men can complete the electric fitting in a building in 7 days.How many days will it take 21 men to do the job?
Verified Answer
6 men can complete the electric fitting in a building in 7 days.How ma...
This problem can be solved by Unitary method.

If 6 men can complete the electric fitting in a building in 7 days,

then 1 man will need 6 x 7 = 42 days to complete it.

Similarly 21 men can complete the job in 42/21 = 2 days.
This question is part of UPSC exam. View all Class 8 courses
Most Upvoted Answer
6 men can complete the electric fitting in a building in 7 days.How ma...
It is indirect variation so,
6*7 - 21*x
42 - 21*x
42/21 - x
2 - x
ANS.-2
(*-multiply)
Community Answer
6 men can complete the electric fitting in a building in 7 days.How ma...
18 days will be taken by 21 men to do the job.
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6 men can complete the electric fitting in a building in 7 days.How many days will it take 21 men to do the job?
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