A boys walks to cover certain distance. If he walked 2 km/hr faster he would have taken1 hour less. If he had moved 1 km/hr slower he would have taken 1 hour more. The distance travelled is:
A12 km
B10 km
C14 km
D8 km
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Related Questions:
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 ?
A bus travelling at 42 km/h completes a journey in 20 hours. At what speed will it have to cover the same distance in 12 hours?
How many seconds will a boy take to run one complete round around a square field of side 38 metres, if he runs at a speed of 6 km/h?
മണിക്കൂറിൽ 40 കിലോമീറ്റർ വേഗതയിൽ നോയിഡയിൽ നിന്ന് കാൺപൂരിലേക്ക് പോകുന്ന ഒരു ബസ്, കാൺപൂരിൽ നിന്ന് നോയിഡയിലേക്ക് മണിക്കൂറിൽ 60 കിലോമീറ്റർ വേഗതയിൽ തിരിച്ച് വരുന്നു. എങ്കിൽ ബസിന്റെ ശരാശരി വേഗത :
A boy goes to his school from his house at a speed of 3 km/hr and returns at a speed of 2 km/ hr. If he takes 5 hours in going and coming, the distance between his house and school is :