Question 1:
Rwanda is a small land locked
country in Central and Eastern African. Its total arable land was
estimated at about 1.6 million
hectares while its population was estimated at 10.5 million
according to the national
census of 2012.
What should be the population
density of Rwanda in 2017 if the average population growth rate
in Rwanda is 3%.
What should be the size of
arable land (in percentage) by 2017 if the policy of rural settlement in
Rwanda creates an increment of
0.5% of new arable land each year?
Le Rwanda est un petit pays
enclavé en Afrique centrale et orientale. Son total des terres arables
a été estimé à environ 1,6
million d'hectares tandis que sa population était estimée à 10,5
millions selon le recensement
national de 2012.
a) Quelle devrait être la
densité de la population du Rwanda en 2017 si le taux de croissance
moyen de la population au
Rwanda est de 3%.
b) Quel devrait être la
superficie en pourcentage de la taille des terres arables au Rwanda en
2017 si la politique de
l'habitat rural au Rwanda crée une augmentation de 0,5 % des nouvelles
terres arable chaque année ?
Answer 2:
Given
The surface area of Rwanda
23,338 Km2
Population of Rwanda in 2012
(10.5 Million =P2012)
Arable land in 2012 (1.6 million of hectares = 16,000Km2)
Average population growth rate
(3%)
Annual increment of arable
land size (0.5%= 0.005)
Period of evaluation (5 years
= n)
Answers
Formula P2017= P2012 (1+3%) n (1pts)
By making calculations of this formula,
P2017==10.5 x (1+3%)5 = 10.5 x
(1.03)5 = 10.5 x 1.1592740743 = 12.17237778015 Million of
population (12,172,378) (3pts)
Population density in Rwanda
by 2017 = 12,172,378/26,338 Km2 = 462 Pop/ Km2 (3pts)
The candidate can use Linear
increment or Progressive increment
Linear Increment
Five years increment = 1.6
million Ha x 0.5%x 5 = 0.04 Million Ha (2pts)
Arable land surface area in
2017 = (1.6 + 0.04) Million Ha = 1.64 Million Ha = 16,400 Km2
(3pts)
Arable land surface area in
%age (2017) = 16,400 Km2/26,338 Km2 = 62.27% (3pts)
Progressive increment
Arable land in 2012 = L2012 =
1.6 Million Ha
Arable land by 2017 = L2017 =
1.6 x (1+0.5%)5 = 1.6 x (1.005)5 = 1.6 x 1.025251253128125 =
1.640402005005 Million Ha =
16,404 Km2 (4pts)
Arable land in %age = 16,404
Km2/26,338 Km2 = 62.28% (4pts)
QUESTION
3:
According to the Law NO 18/2007
of 19/04/2007 relating to the expropriation in the public
interest, what are the acts
considered as acts of public interest (Enumerate 10 acts only)? Selon la
loi No 18/2007 du 19/04/2007
relative à l'expropriation dans l'intérêt public, Quels sont les actes
considérés comme des actes
d'intérêt public, (Énumérer 10 actes seulement)?
Acts of public interest are:
1° roads and railway lines;
(1pts)
2° water canals and reservoirs;
(1pts)
3° water sewage and treatment plants;
(1pts)
4° water dams; (1pts)
5° rainwater canals built
alongside the roads; (1pts)
6° waste treatment sites;
(1pts)
7° electric lines; (1pts)
8° gas, oil, pipelines and tanks;
(1pts)
9° communication lines; (1pts)
10°airports and airfields;
(1pts)
11°motor car parks, train
stations and ports; (1pts)
12°biodiversity, cultural and
historical reserved areas; (1pts)
13°acts meant for security and
national sovereignty; (1pts)
14°hospitals, health centers,
dispensaries and other public health related buildings; (1pts)
15°schools and other related buildings;
(1pts)
16°Government administrative
buildings and their parastatals, international organizations and
embassies; (1pts)
17°public entertainment
playgrounds and buildings; (1pts)
18°markets; (1pts)
19°cemeteries; (1pts)
20°genocide memorial sites;
(1pts)
21°activities to implement
master plans of the organization and management of cities and the
national land in general;
(1pts)
22°valuable minerals and other
natural resources in the public domain; (1pts)
23°basic infrastructure and
any other activities aimed at public interest which are not indicated
on this list that are approved
by an Order of the Minister in charge of expropriation, at own
initiative or upon request by
other concerned persons. (1pts)
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