Comprehension Passage
Directions: Answer the questions based on the information given below.
The first pie chart given below shows the distribution of the total number of articles manufactured by a company in four different years.
The second pie chart given below shows the distribution of the number of sold articles by the company in each year.
Some additional information is also known :
(1) Total number of articles manufactured by the company = Number of articles sold by the company + Number of articles unsold by the company
(2) A : B = 5 : 9
(3) Total number of unsold articles by the company in 2005 and that in 2015 were 600 and 2400 respectively.
(4) Number of sold articles by the company in 2020 was 8000.
(5) If (z + 1/z) = √2 then z40 + (1/z)40 = (B - A) - 22
What is the respective ratio between the total number of articles manufactured by the company in 2005 and the number of unsold articles by the company in 2010?
1
2 : 1
2
3 : 2
3
4 : 3
4
5 : 4
5
6 : 5