A boy goes to his school from his house at a speed of 3 km/hr and returns at a speed of 2 km/hr. If he takes 5 hours in going and coming. The distance between his house and school is?	Pick one.
A) 7 km	B) 3 km	C) 6 km	D) 9 km	E) 2 km
Average speed = (2 * 3 * 2) / (3 + 2)   = 12/5 km/hr.   Distance traveled = 12/5 * 5= 
<gadget id="calculator">12/5 * 5</gadget>
<output>12</output>
12 km.   Distance between house and school= 12/2= 
<gadget id="calculator">12/2</gadget>
<output>6</output>
6 km.   Answer: 6 km
<result>C</result>
A boy goes to his school from his house at a speed of 3 km/hr and returns at a speed of 2 km/hr. If he takes 5 hours in going and coming. The distance between his house and school is?