//chapter 18 Ex 9 clc; clear; close; sTrain=54; tTrainP=20; tTrainM=12; sMan=6; sRelative=(sTrain-sMan)*5/18; //Difference since opposite in direction lTrain=sRelative*tTrainM; lTotal=tTrainP*sTrain*5/18; lPlatform=lTotal-lTrain; printf("The length of train is %d m and length of platform is %d m",lTrain,lPlatform);