Priya covers journey from kavali to nellore by car at average speed of 60 Km/hr. She returns back by scooty with an average speed of 40 Km/hr. Find her average speed during the whole journey?
Choose one: A) 20Km/hr B) 48Km/hr C) 50Km/hr D) 52Km/hr E) 53km/hr
Explanation:   Average speed = 2 xy/x+y   = 2*60*40/100= 
<gadget id="calculator">2*60*40/100</gadget>
<output>48</output>
48 Km/hr   Answer: Option 48Km/hr
<result>B</result>
Priya covers journey from kavali to nellore by car at average speed of 60 Km/hr. She returns back by scooty with an average speed of 40 Km/hr. Find her average speed during the whole journey?