12 worker can dig a canal 180m long in 3 days. How many workers are required to dig a canal 200m long in 5 days.
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the worker required to dig 180m long canal are 12×3 = 36
that means a single person can dig 180/36 = 5m
so the efficiency of a person is 5 m/day
so man required to dig 200 m is = 200/5 =40 in a day
but for done this work in five days we need to have workers = 40/5 = 8 workers..
so 8 workers can dig 200m long canal in 5 days..
please mark this answer as brainliest
javedsaif0:
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