Which one of the following contributors made refinements to W.Christaller's central place by including concept of "city rich" sectors and "city poor" sectors ? 

• R.P. Mishra

• B.J.L. Berry

• Walter Isard

• August Losch

How many number of intersecting links between six nodes are shown on the given figure ?

• 5

• 9

• 10

• 12

23.

Which one of the following codes is correct to show the optimal location to profitability in different spatial cost/ revenue situations in digram given below ?

          

• A

• B

• C

• D

• a-i , b-iii , c-iii , d-iv

• a-iv , b-iii , c-i , d-ii

• a-iv , b-iii , c-ii , d-i

• a-i , b-ii , c-iv , d-iii

Which one of the following authors examined structure of urban settlements prior to the impact of large-scale industrialisation in book "The Pre-Industrial City Past and Present" ? 

• M. Pacione

• G. Sjoberg

• P . Hall

• D. Dwyer

• a-i , b-iv , c-ii , d-iii

• a-iii , b-ii , c-iv , d-i

• a-iv , b-iii , c-i , d-ii

• a-ii , b-i , c-iii , d-iv

• a-iii , b-ii , c-iv , d-i

• a-i , b-ii , c-iii , d-iv

• a-iii , b-iv , c-i , d-ii

• a-i , b-ii , c-iv , d-iii

Which one of the following authors has given the concept of "Demand Cone" as shown in the diagram ?

• Pareto

• August Losch

• Christaller

• Weber

All of the following has been considered growing industrial countries except :

• India

• Indonesia

• Brazil

• China

ASSERTION (A) : Air transport is a very useful means of transport in mountainous and hilly areas.

REASON (R) : It is very difficult to construct means of roads and railways in mountainous regions.

• Both (A) and (R) are true and (R) is the correct explanation of (A).

• Both (A) and (R) are true but (R) is not the correct explanation of (A).

• (A) is true , but (R) is false.

• (A) is false , but (R) is true.