50 persons can do a work in 12 day's b working 8 hours a day. Working how man hours per day can 60 persons finish the wor in 16 day's?

Created 1 year ago | Updated 1 hour ago
(ক) 8 hours
(খ) 6 hours
(গ) 5 hours
(ঘ) 4 hours
No explanation available.

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