A boy is travelling from his home to school at 3 km/hr and reached 7 min late. Next day he traveled at 6 km/hr and reached 8 min early. Distance between home and school? Choose the correct choice from the following answers:
A) 1.2km  B) 1.3km  C) 1.4km  D) 1.5km  E) 1.6km
Let the distance be x   T1 = x/3 hr   T2 = x/6hr   1.5kmifference in time = 7+8= 
<gadget id="calculator">7+8</gadget>
<output>15</output>
15=1/4hr   x/3-x/6 = 1/4   x/6 = 1/4   x = 1.5 km   Answer is 1.5km
<result>D</result>
A boy is travelling from his home to school at 3 km/hr and reached 7 min late. Next day he traveled at 6 km/hr and reached 8 min early. Distance between home and school?