Each line of the file UN.txt contains four pieces of information (name, continent, population in millions, area) about one of the 192 member countries of the United Nations. The first two lines of the file are
Afghanistan,Asia,28.2,251772
Albania,Europe,3.2,11100
What is the first line of the file created by the following code?
Dim query = From line In IO.File.ReadAllLines("UN.txt") Let data = line.Split(","c)
Let country = data(0) Let population = 1000000 * CDbl(data(2)) Let area = CDbl(data(3))
Let density = population / area
Select country & "," & density.ToString("N1")
IO.File.WriteAllLines("NewFile.txt", query)
A) Afganistan,28200000/251772
B) Afganistan,112.0
C) Afganistan,112.006100757829
D) country,density

Question

Each line of the file UN.txt contains four pieces of information (name, continent, population in millions, area) about one of the 192 member countries of the United Nations. The first two lines of the file are 
Afghanistan,Asia,28.2,251772 
Albania,Europe,3.2,11100 
What is the first line of the file created by the following code? 
Dim query = From line In IO.File.ReadAllLines("UN.txt") Let data = line.Split(","c)
 Let country = data(0) Let population = 1000000 * CDbl(data(2)) Let area = CDbl(data(3)) 
Let density = population / area 
Select country & "," & density.ToString("N1") 
IO.File.WriteAllLines("NewFile.txt", query)
A) Afganistan,28200000/251772
B) Afganistan,112.0
C) Afganistan,112.006100757829
D) country,density

Quizplus · Accepted Answer

The Answer is B

Each Line of the File UN