Refer the above for the Questions 1 to 8
1. Out of the overall Books, what % of Books is held by Library 4-Non Fiction Books and Library 6-Non-American Author Books put together on the overall Books
SHOW ANSWER
Correct Ans:11.20%
Explanation:
Step 1 : Find Library 4-Non Fiction Books
Overall Books of Library 4 is 108000
Out of which Non Fiction Books is ( 6 / (6+9)*108000) = 43200
Step 2 : Find Library 6-Non-American Author Books
Overall Books of Library 6 is 432000
Out of which Non-American Author Books is ( 4 / (4+13)*432000) = 101647
Step 3 : Add the 2 Books
i.e. 43200+101647=144847
Step 4 : Estimate Overall Books = 1296000
Step 5 : Estimate % = Count of 2 Books/ Overall Books
=> 144847/1296000=11.2%
2. Out of the overall Books, what % of Books is held by Library 3-Non Fiction Books and Library 3-American Author Books put together on the overall Books
SHOW ANSWER
Correct Ans:6.90%
Explanation:
Step 1 : Find Library 3-Non Fiction Books
Overall Books of Library 3 is 90000
Out of which Non Fiction Books is ( 3 / (3+5)*90000) = 33750
Step 2 : Find Library 3-American Author Books
Overall Books of Library 3 is 90000
Out of which American Author Books is ( 5 / (5+3)*90000) = 56250
Step 3 : Add the 2 Books
i.e. 33750+56250=90000
Step 4 : Estimate Overall Books = 1296000
Step 5 : Estimate % = Count of 2 Books/ Overall Books
=> 90000/1296000=6.9%
3. Out of the overall Books, what % of Books is held by Library 2-Non Fiction Books and Library 4-Non Fiction Books put together on the overall Books
SHOW ANSWER
Correct Ans:9.70%
Explanation:
Step 1 : Find Library 2-Non Fiction Books
Overall Books of Library 2 is 144000
Out of which Non Fiction Books is ( 8 / (8+6)*144000) = 82286
Step 2 : Find Library 4-Non Fiction Books
Overall Books of Library 4 is 108000
Out of which Non Fiction Books is ( 6 / (6+9)*108000) = 43200
Step 3 : Add the 2 Books
i.e. 82286+43200=125486
Step 4 : Estimate Overall Books = 1296000
Step 5 : Estimate % = Count of 2 Books/ Overall Books
=> 125486/1296000=9.7%
4. Out of the overall Books, what % of Books is held by Library 1-Non Fiction Books and Library 3-Fiction Books put together on the overall Books
SHOW ANSWER
Correct Ans:11.80%
Explanation:
Step 1 : Find Library 1-Non Fiction Books
Overall Books of Library 1 is 270000
Out of which Non Fiction Books is ( 5 / (5+9)*270000) = 96429
Step 2 : Find Library 3-Fiction Books
Overall Books of Library 3 is 90000
Out of which Fiction Books is ( 5 / (5+3)*90000) = 56250
Step 3 : Add the 2 Books
i.e. 96429+56250=152679
Step 4 : Estimate Overall Books = 1296000
Step 5 : Estimate % = Count of 2 Books/ Overall Books
=> 152679/1296000=11.8%
5. Out of the overall Books, what % of Books is held by Library 2-Fiction Books and Library 5-Non-American Author Books put together on the overall Books
SHOW ANSWER
Correct Ans:6.30%
Explanation:
Step 1 : Find Library 2-Fiction Books
Overall Books of Library 2 is 144000
Out of which Fiction Books is ( 6 / (6+8)*144000) = 61714
Step 2 : Find Library 5-Non-American Author Books
Overall Books of Library 5 is 252000
Out of which Non-American Author Books is ( 1 / (1+12)*252000) = 19385
Step 3 : Add the 2 Books
i.e. 61714+19385=81099
Step 4 : Estimate Overall Books = 1296000
Step 5 : Estimate % = Count of 2 Books/ Overall Books
=> 81099/1296000=6.3%
6. Out of the overall Books, what % of Books is held by Library 1-Fiction Books and Library 4-American Author Books put together on the overall Books
SHOW ANSWER
Correct Ans:20.60%
Explanation:
Step 1 : Find Library 1-Fiction Books
Overall Books of Library 1 is 270000
Out of which Fiction Books is ( 9 / (9+5)*270000) = 173571
Step 2 : Find Library 4-American Author Books
Overall Books of Library 4 is 108000
Out of which American Author Books is ( 13 / (13+2)*108000) = 93600
Step 3 : Add the 2 Books
i.e. 173571+93600=267171
Step 4 : Estimate Overall Books = 1296000
Step 5 : Estimate % = Count of 2 Books/ Overall Books
=> 267171/1296000=20.6%
7. Out of the overall Books, what % of Books is held by Library 3-Fiction Books and Library 6-Non Fiction Books put together on the overall Books
SHOW ANSWER
Correct Ans:22.00%
Explanation:
Step 1 : Find Library 3-Fiction Books
Overall Books of Library 3 is 90000
Out of which Fiction Books is ( 5 / (5+3)*90000) = 56250
Step 2 : Find Library 6-Non Fiction Books
Overall Books of Library 6 is 432000
Out of which Non Fiction Books is ( 9 / (9+8)*432000) = 228706
Step 3 : Add the 2 Books
i.e. 56250+228706=284956
Step 4 : Estimate Overall Books = 1296000
Step 5 : Estimate % = Count of 2 Books/ Overall Books
=> 284956/1296000=22%
8. Out of the overall Books, what % of Books is held by Library 2-Fiction Books and Library 5-Fiction Books put together on the overall Books
SHOW ANSWER
Correct Ans:15.20%
Explanation:
Step 1 : Find Library 2-Fiction Books
Overall Books of Library 2 is 144000
Out of which Fiction Books is ( 6 / (6+8)*144000) = 61714
Step 2 : Find Library 5-Fiction Books
Overall Books of Library 5 is 252000
Out of which Fiction Books is ( 7 / (7+6)*252000) = 135692
Step 3 : Add the 2 Books
i.e. 61714+135692=197406
Step 4 : Estimate Overall Books = 1296000
Step 5 : Estimate % = Count of 2 Books/ Overall Books
=> 197406/1296000=15.2%
Refer the above for the Questions 9 to 20
9. Which Country has the highest number of Unemployed Population?
SHOW ANSWER
Correct Ans:Country 3
Explanation:
Country 1 Unemployed Population = 48000;
Country 2 Unemployed Population = 13500;
Country 3 Unemployed Population = 67500;
Country 4 Unemployed Population = 43200;
Country 5 Unemployed Population = 21600;
Country 6 Unemployed Population = 60000;
Among the above, the highest is from Country 3
10. What is the difference between Maximum value of Female and the Minimum value of Female?
SHOW ANSWER
Correct Ans:102,600
Explanation:
Maximum value of Female is = 129600
Minimum value of Female is = 27000
Hence Difference is => 129600 - 27000
= 102600
11. What is the difference between Maximum value of Employed and the Minimum value of Employed?
SHOW ANSWER
Correct Ans:240,300
Explanation:
Maximum value of Employed is = 280800
Minimum value of Employed is = 40500
Hence Difference is => 280800 - 40500
= 240300
12. What is the difference between Maximum value of Employed and the Maximum value of Unemployed?
SHOW ANSWER
Correct Ans:213,300
Explanation:
Maximum value of Employed is = 280800
Maximum value of Unemployed is = 67500
Hence Difference is => 280800 - 67500
= 213300
13. What is the difference between Maximum value of Male and the Maximum value of Female?
SHOW ANSWER
Correct Ans:64,800
Explanation:
Maximum value of Male is = 194400
Maximum value of Female is = 129600
Hence Difference is => 194400 - 129600
= 64800
14. What is the Percentage of Female in the overall Population?
SHOW ANSWER
Correct Ans:44.77%
Explanation:
Country 1 Female Population = 72000;
Country 2 Female Population = 40500;
Country 3 Female Population = 101250;
Country 4 Female Population = 129600;
Country 5 Female Population = 64800;
Country 6 Female Population = 27000;
When we add up all the above numbers, we get 435150
Overall Population is 972000
When we divide the sum of above numbers by overall population, we get => 435150 / 972000 = 44.77%
15. Which Country has the least number of Male Population?
SHOW ANSWER
Correct Ans:Country 2
Explanation:
Country 1 Male Population = 36000;
Country 2 Male Population = 13500;
Country 3 Male Population = 168750;
Country 4 Male Population = 194400;
Country 5 Male Population = 43200;
Country 6 Male Population = 81000
Among the above, the Least is from Country 2
16. Which Country has the highest number of Female Population?
SHOW ANSWER
Correct Ans:Country 4
Explanation:
Country 1 Female Population = 72000;
Country 2 Female Population = 40500;
Country 3 Female Population = 101250;
Country 4 Female Population = 129600;
Country 5 Female Population = 64800;
Country 6 Female Population = 27000;
Among the above, the highest is from Country 4
17. Find the ratio of Country 2-Unemployed Population to Country 6-Female Population
SHOW ANSWER
Correct Ans:(1:2)
Explanation:
Step 1 : Find Country 2-Unemployed Population
Overall Population of Country 2 is 54000
Out of which Unemployed Population is ( 1 / (1+3)*54000) = 13500
Step 2 : Find Country 6-Female Population
Overall Population of Country 6 is 108000
Out of which Female Population is ( 2 / (2+6)*108000) = 27000
Step 3 : Finding Ratio
i.e. 13500:27000 = 1:2
18. Find the ratio of Country 2-Unemployed Population to Country 5-Male Population
SHOW ANSWER
Correct Ans:(5:16)
Explanation:
Step 1 : Find Country 2-Unemployed Population
Overall Population of Country 2 is 54000
Out of which Unemployed Population is ( 1 / (1+3)*54000) = 13500
Step 2 : Find Country 5-Male Population
Overall Population of Country 5 is 108000
Out of which Male Population is ( 2 / (2+3)*108000) = 43200
Step 3 : Finding Ratio
i.e. 13500:43200 = 5:16
19. Find the ratio of Country 5-Employed Population to Country 6-Unemployed Population
SHOW ANSWER
Correct Ans:(36:25)
Explanation:
Step 1 : Find Country 5-Employed Population
Overall Population of Country 5 is 108000
Out of which Employed Population is ( 4 / (4+1)*108000) = 86400
Step 2 : Find Country 6-Unemployed Population
Overall Population of Country 6 is 108000
Out of which Unemployed Population is ( 5 / (5+4)*108000) = 60000
Step 3 : Finding Ratio
i.e. 86400:60000 = 36:25
20. Find the ratio of Country 1-Employed Population to Country 4-Unemployed Population
SHOW ANSWER
Correct Ans:(25:18)
Explanation:
Step 1 : Find Country 1-Employed Population
Overall Population of Country 1 is 108000
Out of which Employed Population is ( 5 / (5+4)*108000) = 60000
Step 2 : Find Country 4-Unemployed Population
Overall Population of Country 4 is 324000
Out of which Unemployed Population is ( 2 / (2+13)*324000) = 43200
Step 3 : Finding Ratio
i.e. 60000:43200 = 25:18
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