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
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
A person has to cover a distance of 8 km in 1 hour. If he covers one-fourth of the distance in one-third of the total time, then what should his speed (in km/h) be to cover the remaining distance in the remaining time so that the person reaches the destination exactly on time?
A person travels equal distances with speeds of 3 km/hr, 4 km/hr and 8 km/hr, respectively, and takes a total of 425 minutes. What is the total distance (in km) travelled?
രണ്ടു സൈക്കിൾ യാത്രക്കാർ 200 കിലോമീറ്റർ 140 കിലോമീറ്റർ ദൂരം യഥാക്രമം 10 മണിക്കൂർ കൊണ്ടും 5 മണിക്കൂർ കൊണ്ടും പിന്നിടുന്നുവെങ്കിൽ അവരുടെ ശരാശരി വേഗതയുടെ അംശബന്ധം എത്ര ?
The cost of a raw material increased with equal percentage in two years. The price increased to ₹145.20 from ₹120. What is the equal annual percentage increase?
A cyclist travels from City A to City B at an average speed of 20 km/h and takes 4 hours. If they want to complete the same journey in 2.5 hours, by what amount (in km/h) should they increase their average speed?