What is the average speed of a car which covers half the distance with a speed of 28 km/h and the other half with a speed of 84 km/h?
A42km/h
B38km/h
C43km/h
D39km/h
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
നീലിമ സഞ്ചരിച്ച തീവണ്ടി 2 മണിക്കൂർ 30 മിനിട്ട് കൊണ്ട് 300 കി. മീ. ഓടിയാണ് കോഴിക്കോട് എത്തിയത്. തീവണ്ടിയുടെ ശരാശരി വേഗം എത്ര ? (മണിക്കൂറിൽ)
Monisha and Sumina start from the same place in opposite directions with 25 km/hr and 30 km/hr respectively. in what time will they be 110km apart ?
The ratio between the speeds of two cars is 6 : 5. If the second car runs 600 km in 6 hours, then the speed of the first car is:
.Robert is travelling on his cycle and has calculated to reach point A at 2PM if he travels at 10 km/hr,he will be reach there at 12 noon if he travels at 15 km/hr.At what speed must be travel to reach A at 1 PM?
. The speed of a bus is 72 km/hr. The distance covered by the bus in 5 seconds is