Question
Download Solution PDFComprehension
The given table shows the total population and ratio of literate and illiterate of total population of four different cities [A, B, C, D and E]
|
State |
Population |
Literate : Illiterate |
|
A |
11000 |
8 : 3 |
|
B |
28000 |
11 : 3 |
|
C |
36000 |
3 : 1 |
|
D |
35000 |
5 : 2 |
Average number of illiterate people in all city together is 7x. Find the value of x?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCommon Calculation
Total population in city A is 11000
Literate people is 11000 × 8 /11 = 8000
Illiterate people is 11000 × 3 / 11 = 3000
Similarly, we can calculate others values also
|
City |
Literate people |
Illiterate people |
|
A |
8000 |
3000 |
|
B |
22000 |
6000 |
|
C |
27000 |
9000 |
|
D |
25000 |
10000 |
Calculation
Total illiterate people = 3000 (A) + 6000 (B) + 9000 (C) + 10000 (D) = 28000
Average = [28000/ 4] = 7000
Given: 7x = 7000
⇒ x = 1000
Answer: 1000
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