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?
A. 1 hours 20 minutes
B. 4 hours 40 minutes
C. 5 hours
D. 5 hours 20 minutes
সঠিক উত্তরঃ
D.
5 hours 20 minutes
Explanation: Assuming the question implies they take 2 hours 40 mins together.
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