A person travels from P to Q a speed of 50 km/hr and returns by increasing his speed by 50%. What is his average speed for both the trips? Options:
A) 62.5	B) 77	C) 48	D) 99	E) 21
Speed on return trip = 150% of 50 = 75 km/hr.   62.5verage speed of trip = 50 + 75 /2 =125/2= 
<gadget id="calculator">125/2</gadget>
<output>125/2 = around 62.5</output>
62.5 km/hr   62.5nswer : 62.5
<result>A</result>
A person travels from P to Q a speed of 50 km/hr and returns by increasing his speed by 50%. What is his average speed for both the trips?