A boy is travelling from his home to school at 4 km/hr and reached 7 min late. Next day he traveled at 8 km/hr and reached 8 min early. Distance between home and school? Choose the correct choice from the following
A) 2km	B) 3km	C) 4km	D) 5km	E) 6km
Let the distance be x   T1 = x/4 hr   T2 = x/8hr   Difference in time = 7+8= 
<gadget id="calculator">7+8</gadget>
<output>15</output>
15=1/4hr   x/4-x/8= 1/4   x/8=1/4   x =2 km   2kmnswer is 2km
<result>A</result>
A boy is travelling from his home to school at 4 km/hr and reached 7 min late. Next day he traveled at 8 km/hr and reached 8 min early. Distance between home and school?