Two workers, working separately but at the same speed, take hours 40 minutes to complete a particular task, How long will one of these two workers take to complete the same task alone?

Created: 2 years ago | Updated: 2 years ago

Updated: 2 years ago

1 hours 20 minutes

4 hours 40 minutes

5 hours

5 hours 20 minutes

খুলনা বিশ্ববিদ্যালয় B ইউনিট উচ্চতর গণিত সমতলে বস্তুকণার গতি (Motion of particles in a plane)

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