if a person cover 3/5 part of his journey by train,7/20 part of his journey by bus and rest 6.5 km. by walk.what is total distance of his journey?	Choose one.
A) 65 km	B) 100 km	C) 120 km	D) 130 km	E) 75 km
let total distance be=x km.then,   3x/5+7x/20+6.5=x;12x+7x+130=20x;x=130   hence total distance=130 km.   answer 130 km
<result>D</result>
if a person cover 3/5 part of his journey by train,7/20 part of his journey by bus and rest 6.5 km. by walk.what is total distance of his journey?