A certain distance was covered by a car at a speed of 60 km per hour and comes back at the speed of 36 km per hour . What is the average speed of the car ?
A30 Km/hr
B40 Km/hr
C45 Km/hr
D48 Km/hr
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തീവണ്ടിയിൽ 360 കിലോമീറ്റർ ദൂര യാത്ര ചെയ്യാൻ 4 മണിക്കൂർ 30 മിനിറ്റ് എടുക്കുന്നു. എങ്കിൽ തീവണ്ടിയുടെ ശരാശരി വേഗം എത്രയാണ്?
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