App Logo

No.1 PSC Learning App

1M+ Downloads
A person travels equal distances with speeds of 4 km/hr, 5 km/hr and 6 km/hr and takes a total time of 37 minutes. The total distance (in km) is

A4

B5

C3

D2

Answer:

C. 3

Read Explanation:

Let the equal distances he travels be 'd' Total time = 37 minutes = (37/60) hours d/4+d/5+d/6=37/60 37d = 37 ⇒ d = 1 km ⇒ Total distance = 3 × 1 = 3 km


Related Questions:

A man crosses a road 250 metres wide in 75 seconds. His speed in km/hr is :
The speed of a train is 35.5 m/s . What is the distance covered by it in 40 minutes?
A man riding on a bicycle at a speed of 43 km/h crosses a bridge in 54 minutes. Find the length of the bridge?
ഒരു ഓട്ടോറിക്ഷയുടെ ഡ്രൈവർ ഒരു വ്യക്തിയെ 70 മീറ്റർ മുന്നിൽ കാണുന്നു. 30 സെക്കൻഡിനുശേഷം വ്യക്തി 110 മീറ്റർ പിന്നിലാണ്. ഓട്ടോറിക്ഷയുടെ വേഗത മണിക്കൂറിൽ 28 കിലോമീറ്ററാണെങ്കിൽ, വ്യക്തിയുടെ വേഗത എന്താണ്?
Buses start from a bus terminal with a speed of 20 km/hr at intervals of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at intervals of 8 minutes?