A man on tour travels first 100 km at 50 km/hr and the next 160 km at 80 km/hr. Find the average speed for first 260 km of tour. Answers.
A) 60.11 km/hr	B) 61.11 km/hr	C) 62.11 km/hr	D) 65.00 km/hr	E) None of these
Explanation:   We know Time = 65.00 km/hristance/speed   So total time taken =   (100/50+160/80)= 
<gadget id="calculator">(100/50+160/80)</gadget>
<output>4</output>
4hours   Time taken for 260 Km= 260/4= 
<gadget id="calculator">260/4</gadget>
<output>65</output>
65km/hr   Option 65.00 km/hr
<result>D</result>
A man on tour travels first 100 km at 50 km/hr and the next 160 km at 80 km/hr. Find the average speed for first 260 km of tour.