Indian Institute of Foreign Trade 2014 Solved Paper

(a) For minimum travelling, school should plan to travel by ship or train route.
So possible routes for Kanyakumari, Vizag and Bhubaneshwar.
Chennai $\underset{950}{\overset{\mathrm{ship}}{\to }}$ Bhubanehswar$\underset{700}{\overset{\mathrm{ship}}{\to }}$Kanyakumari $\underset{250}{\overset{\mathrm{ship}}{\to }}$Vizag $\underset{300}{\overset{\mathrm{train}}{\to }}$Chennai
Total cost = 950 × 1.5 + 700 × 2.5 + 250 × 1.5 + 300 × 2.5
= 1425 + 1750 + 375 + 750 = ₹ 4300.
IInd possible route.
Chennai $\underset{300}{\overset{\mathrm{train}}{\to }}$ Vizag$\underset{250}{\overset{\mathrm{ship}}{\to }}$Kanyakumari $\underset{700}{\overset{\mathrm{train}}{\to }}$Bhubaneshwar $\underset{950}{\overset{\mathrm{ship}}{\to }}$Chennai
Total cost = 300 ×2.5 + 250 × 1.5 + 700 × 2.5 + 950 × 1.5
= 750 + 375 + 1750 + 1425
= ₹ 4300
So, minimum travel cost collect by school ₹ 4300.