A person travelled from his house to office at 35km/hr and office to house at 65km/hr. Then find the average speed?
Select the correct option
A) 30km/hr
B) 45.5km/hr
C) 48km/hr
D) 50.5km/hr
E) 62km/hr
Average speed = (2*35*65)/(35+65)= 
<gadget id="calculator">(2*35*65)/(35+65)</gadget>
<output>91/2 = around 45.5</output>
45.5km/hr
Answer is 45.5km/hr
<result>B</result>
A person travelled from his house to office at 35km/hr and office to house at 65km/hr. Then find the average speed?