find hcf in prime factors 144'280'360 (2) a car travel 50km in one hou – InterviewSolution

1.	find hcf in prime factors 144'280'360 (2) a car travel 50km in one hour how much they distance covered in 10 hours(3)580-760-600+1260-75
Answer» each half of the running time be t.During first half time, speed of car is 80 km/hDistance COVERED d 1 =80t kmDuring second half time, speed of car is 40 km/hDistance covered d 2 =40t kmTotal DISTANCE covered d=d 1 +d 2 =80t+40t=120tTotal time taken T=2tAverage speed v AVG = Td = 2t120t =60 km/hr

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