Adom's on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is?
A71.11km/hr
B68km/hr
C73.4km/hr
D65km/hr
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
ഒരു സ്ഥലത്തുനിന്ന് പുറപ്പെടുന്ന രണ്ട് ആളുകൾ 10 km/hr വേഗത്തിലും, 8 km/hr വേഗത്തിലും വിപരീതദിശകളിൽ സഞ്ചരിക്കുന്നു. എങ്കിൽ 5 മണിക്കൂർകൊണ്ട് അവർ സഞ്ചരിച്ച ആകെ ദൂരം?
Rani has to travel from Mangalore to Kottayam but due to short of time , she managed to get the train ticket from Kozhikode to Kottayam only . she travelled by local transport from Mangalore to Kannur 120 km in 7 hours , Kannur to Kozhikode in bus 80 km in 5 hours , and Kozhikode to Kottayam by train to 240 km in 10 hours what is the average speed of Rani?
A policeman saw a thief from a distance of 68 meters. The thief starts running away and the policeman chases him. The thief and the policeman run at the speed of 4 m/s and 9 m/s respectively. How long did it take for the policeman to catch the thief?
A bus travelling at 99 km/h completes a journey in 14 hours. At what speed will it have to cover the same distance in 18 hours?
A truck travels at a speed of 60 km/h from city P to city Q and returns to city P by the same route at a speed of 100
km/h. What is the average speed of the truck for the given journey?