The average speed of Gaurav during a two-way journey is 15 km/h. If he walked a distance of 20 km every hour while going, then his speed while returning will be:
A15 km/h
B10 km/h
C12 km/h
D11 km/h
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Related Questions:
If Satish increases his Speed from 12 km/hr to 15 km/hr while coming from Office to home, he reaches home one hour early. Determine the distance between his home and the office.
Two trians X and Y start at the same time, X from station A to B and Y from B to A. After passing each other, X and Y take hours and hours, respectively, to reach their respective destinations. If the speed of X is 50 km/h, then what is the speed (in km/h) of Y?
ഒരു ട്രെയിൻ 30 കിലോമീറ്റർ ദൂരം സഞ്ചരിക്കാൻ 20 മിനിറ്റ് സമയം എടുക്കുന്നു. എങ്കിൽ ഈ ട്രെയിനിന്റെ വേഗം കിലോമീറ്റർ/ മണിക്കൂറിൽ :
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