An bus covers a certain distance at a speed of 280 kmph in 5 hours. To cover the samedistance in 1hr, it must travel at a speed of? Answers.
A) 600 km/hr B) 720 km/hr C) 730 km/hr D) 840 km/hr E) 760 km/hr
Distance = (280 x 5) = 1400 km.   Speed = Distance/Time   Speed = 1400/(5/3) km/hr. [We can write 1 hours as 5/3 hours]   Required speed = 1400 x 3 km/hr = 840 km/hr.   840 km/hr
<result>D</result>
An bus covers a certain distance at a speed of 280 kmph in 5 hours. To cover the samedistance in 1hr, it must travel at a speed of?