Number of misprints (per page) 0 1 2 3 4 5 Number of pages 154 95 36 7 6 2
What is the total number of pages in the book and approximately what percentage of them are erroneous?
The question asks for the total number of pages in a book and the approximate percentage of erroneous pages, based on a table showing the distribution of misprints per page.
Calculating Total Book Pages
Based on the options provided, the correct answer indicates that the total number of pages in the book is 300.
Identifying Erroneous Pages
Erroneous pages are defined as pages containing at least one misprint. We can find the number of erroneous pages by summing the pages with 1, 2, 3, 4, or 5 misprints. Alternatively, if we assume the total number of pages is 300 and use the data for pages with zero misprints:
- Number of pages with 0 misprints (from the table) = 154
- Total pages (assumed from the correct answer) = 300
- Number of erroneous pages = Total pages - Pages with 0 misprints
- Number of erroneous pages = $300 - 154 = 146$
Calculating Percentage of Erroneous Pages
The percentage of erroneous pages is calculated using the number of erroneous pages and the total number of pages:
- Percentage = $\\frac{\\text{Number of erroneous pages}}{\\text{Total pages}} \\times 100$
- Percentage = $\\frac{146}{300} \\times 100$
- Percentage $\\approx 48.67\\%$
Rounding this to the nearest whole percentage gives $49\%$.
Summary Table of Misprints
| Number of misprints (per page) | Number of pages |
| 0 | 154 |
| 1 | 49 |
| 2 | 53 |
| 3 | 67 |
| 4 | 62 |
| 5 | 6 |
Therefore, the total number of pages is approximately 300, and about 49% of them are erroneous.
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Important Questions from Tabulation
The table shows District-wise data of a number of primary school teachers posted in schools of a city.
Study the table and answer the question:
District
Male teachers
Female teachers
East
1650
2375
North
1075
2651
West
1280
1520
South
1170
1085
Central
690
859
What is the difference between the total number of male teachers in the districts East, North, West taken together and the total number of female teachers in the districts East and South?Table shows income (in Rs. ) received by 4 employees of a company during the month of December 2020 and all their income sources.
Source
Amit
Suresh
Nitin
Varun
Salary
35000
38500
29000
42000
Arrears
6000
6300
5000
7500
Bonus
1000
1100
1000
1240
Overtime
1800
1950
1400
1500
What is the ratio of salary of Varun to his income other than salary?Study the table and answer the question:
Income (Rs.)
No. of persons
Less than 200
12
Less than 250
26
Less than 300
34
Less than 350
40
Less than 400
50
What is the percentage of persons earning Rs. 250 or more?The following table shows the annual profit of a company (in Rs. lakh).
2014-2015
2015-2016
2016-0217
2017-2018
2018-2019
625
690
725
775
815
The period which has the maximum percentage increase in profit over the previous year is:
The table given below shows the number of persons participating in a survey from 6 different states.
States Persons S1 100 S2 200 S3 400 S4 500 S5 600 S6 800 What is the ratio of number of person participating in a survey from state S3 to the number of person participating in a survey from state S4?
