- 04/13/2019 at 7:00 pm #454082EduGorillaKeymasterSelect Question Language :
A task was set to deliver building material from a railway station to a construction site in 8 hours. The material had to be delivered with 30 three-ton trucks. These trucks worked for two hours and then 9 five-ton trucks were added to help out. The task was completed on time. If the five-ton trucks had begun the operation, and the three-ton trucks had been brought two hours later, then only 13/15 of the material would have been delivered in the allotted time. Determine how many hours it would take
(i) one three-ton truck alone to deliver all the material?
(ii) one five-ton truck alone to deliver all the material?
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