A person travels equal distances with speeds of 3 km/hr, 4 km/hr and 5 km/hr and takes a total time of 50 minutes. The total distance is? Choose the correct choice from the following answers
A) 1 km B) 2 km C) 3.19 km D) 4 km E) 5 km
C   3 km   Let the total distance be 3x km.   Then, x/3 + x/4 + x/5 = 50/60   47x/60 = 50/60 =&gt; x = 1.06.   Total distance = 3 * 1.06 = 3.19 km.
<result>C</result>
A person travels equal distances with speeds of 3 km/hr, 4 km/hr and 5 km/hr and takes a total time of 50 minutes. The total distance is?