Challenger App

No.1 PSC Learning App

1M+ Downloads
A man travels 30 km at a speed of 20 kmph 55 km at a speed of 110 kmph and 590 km at a speed of 118 kmph. Find the time taken throughout the journey.

A8 hours

B6.5 hours

C7 hours

D7.5 hours

Answer:

C. 7 hours

Read Explanation:

The time taken throughout the journey = 30 / 20 + 55 / 110 + 590 / 118 = 1.5 + 0.5 + 5 = 7 hours


Related Questions:

A man goes First 30 km of his journey at the speed of 15km/hr , next 40km of this journey with 10km/hr and last 30 km of his journey with 30km/hr. Then calculate the average speed of the man.
The length of the bridge, which a train 130 meters long and travelling at 45 km/hr can cross in 30 seconds is :
A man riding on a bicycle at a speed of 95 km/h crosses a bridge in 6 minutes. Find the length of the bridge?
Determine the length of a train T if it crosses a pole at 60 km/hr in 30 sec :
സമാന്തര ട്രാക്കുകളിൽ എതിർദിശയിൽ യഥാക്രമം 200 km/hr, 160 km/hr, വേഗതയിൽ 240 m, 180 m നീളമുള്ള രണ്ട് ട്രെയിനുകൾ ഓടുന്നു. അപ്പോൾ പരസ്പരം കടക്കാൻ എടുക്കുന്ന സമയം (സെക്കൻഡിൽ) ആണ്