If a car travels a distance with 20% less speed, then it will reach 15 minutes late. What is the usual time (in minutes) taken by the car to travel the same distance?
A80
B90
C75
D60
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ഹാഷിം 8000 മീറ്റർ നീളമുള്ള ഒരു റോഡ് 80 മിനിറ്റ് കൊണ്ട് നടന്നു എങ്കിൽ അയാളുടെ വേഗം കി.മീ./ മണിക്കൂറിൽ എത്ര?