Tr Jain Vk Ohri 2018 Solutions for Class 11 Science Economics Chapter 6 Diagrammatic Presentation Of Data: Bar Diagrams are provided here with simple step-by-step explanations. These solutions for Diagrammatic Presentation Of Data: Bar Diagrams are extremely popular among Class 11 Science students for Economics Diagrammatic Presentation Of Data: Bar Diagrams Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the Tr Jain Vk Ohri 2018 Book of Class 11 Science Economics Chapter 6 are provided here for you for free. You will also love the ad-free experience on Meritnation’s Tr Jain Vk Ohri 2018 Solutions. All Tr Jain Vk Ohri 2018 Solutions for class Class 11 Science Economics are prepared by experts and are 100% accurate.

#### Question 1:

Get information from your school office about the CBSE result (2017) for the students of Class XII in your school. Draw a bar diagram (showing their aggregate marks classified as 1st division, 2nd division and 3rd division).

 Division I II III Number of students 25 60 15

#### Question 2:

Collect data on the literacy rate in major states of India. Refer to Census 2011. Present the data in terms of a bar diagram. Write your observations how different states have performed in improving literacy among the masses.

 States Literacy Rate Andhra Pradesh (A.P.) Bihar Uttar Pradesh (U.P.) Kerala Himanchal Pradesh (H.P.) Gujrat Delhi Haryana 67.7 63.8 69.7 93.9 83.8 79.3 86.3 76.6

Observation and Conclusion:
The state of Kerala is way ahead of other states in India in the matter of the literacy rates. The states having literacy level below 70% are Andhra Pradesh, Bihar and Uttar Pradesh. Whereas states like Gujarat, Haryana and Himachal Pradesh have shown an average performance. Delhi being the capital of India has literacy level of 86.3%,which requires attention and should be enhanced. Among all the states, Bihar has the lowest literacy level.

#### Question 1:

Check your school records on admissions. See how many students were admitted every year during the last 10 years. Classify the data as male and female students. Present the data in the form of a multiple bar diagram.

 Year 2003−04 2004−05 2005−06 2006−07 2007−08 2008−09 2009−10 2010−11 2011−12 2012−13 Male Students 40 50 60 45 50 90 65 70 75 80 Female Students 50 30 70 50 50 50 45 80 80 90

#### Question 1:

Here is an exercise for the students of Class XI. Draw a programme to conduct direct personal oral investigation of all the students of your school. Find out which mode of transport they use to come to the school. Present your information in terms of a pie diagram.

 Mode of Transportation Percentage Share Degree Share School Bus 40 $\frac{40}{100}×360°=144°$ Auto- rickshaw 10 $\frac{10}{100}×360°=36°$ Van 25 $\frac{25}{100}×360°=90°$ Personal Vehicle 25 $\frac{25}{100}×360°=90°$

#### Question 1:

Make a suitable diagram of the following data on population in India:

 Year 1951 1961 1971 1981 1991 2001 2011 Population (crore) 36.1 43.9 54.8 68.3 84.6 102.8 121

 Year 1951 1961 1971 1981 1991 2001 Population  (in crore) 36.1 43.9 54.8 68.3 84.6 102.8

#### Question 2:

Give a diagrammatic presentation of the following data on India's Exports and Imports:

 Year Export (₹ crore) Import (₹ crore) 2014-15 2015-16 2016-17 18,96,445 17,16,378 18,52,340 27,37,087 24,90,298 25,77,422

The given data can be presented in the form of a multiple bar diagram as follows.

#### Question 3:

Make a bar diagram of the following data on India's population:

 Year 1971 1981 1991 2001 2011 Population (crore) 54.8 68.3 84.6 102.8 121

 Year 1971 1981 1991 2001 2011 Population (in crore) 54.8 68.3 84.6 102.8 121

#### Question 4:

Make a multiple bar diagram of the following data:

 Faculty Number of Students 2014-15 2015-16 2016-17 Arts Science Commerce 600 400 200 550 500 250 500 600 300

Number of Students in Different Academic Streams

#### Question 5:

Following table shows estimates of cost of production of certain commodities. Present the data in the form of a sub-divided bar diagram:

 Estimate of Cost Goods A B C D Raw materia Wages Fixed Costs Office expenses 50 40 10 10 40 40 12 8 45 40 15 10 50 40 15 5 Total Cost 110 100 110 110

 Goods Estimates A B C D Total Raw Materials Wages Fixed Cost Office Expenses 50 40 10 10 40 40 12 8 45 40 15 10 50 40 15 5 185 160 52 33

#### Question 6:

Present the following data in the form of a multiple bar diagram:

 Year Exports (₹ crore) Imports (₹ crore) 2013-14 2014-15 2015-16 2016-17 19,05,011 18,96,445 17,16,378 18,52,340 27,15,434 27,37,087 24,90,298 25,77,422

 Year Export (Rs crore) Import (Rs crore) 2013-14 2014-15 2015-16 2016-17 19,05,011 18,96,445 17,16,378 18,52,340 27,15,434 27,37,087 24,90,298 25,77,422

#### Question 7:

Waht do you mean by a circular diagram? Present the data on the expenditure of a labour-family in the form of a circular diagram:

 Items of Expenditure Food Clothing Housing Fuel and Light Others Percentage of Income Spent 65 15 12 5 3

Circular diagram or a Pie diagram depicts a circle that is divided into various segments showing the values of different items (components) in percentage terms
For presenting the given percentage values in a pie diagram, the percentage values must be converted into the respective degree values, for which the following formula is used.

 Item Percentage Share Degree Share Food 65 Clothing 15 Housing 12 Fuel & Light 5 ​ Others 3

#### Question 8:

Following data relate to the construction of a house in Delhi. Present the information in the form of a pie diagram:

 Items Labour Bricks Cement Steel Timber Supervision Percentage Expenditure 25 15 20 15 10 15

The percentage values are converted into degree values using the following formula.

 Items Percentage Share Degree Share Labour 25 Bricks 15 Cement 20 Steel 15 Timber 10 Supervision 15

#### Question 9:

For the years 2012-13 and 2013-14, value of gross domestic product at factor cost by the industry of origin is given in the following table. Present the information in the form of Pie Diagram showing differences in the percentage contribution of different sectors between the said years.

 Sector Year 2012-13 2013-14 Primary Secondary Tertiary 17 57 26 16.7 26 57.3 Total 100 100

The percentage values are converted into degree values using the following formula.

 Year 2012 - 2013 Year 2013 - 2014 Sector Percentage contribution Degree Share Sector Percentage contribution Degree Share Primary 17 $17×3.6=61.2°$ Primary 16.7 $16.7×3.6=60.12°$ Secondary 57 $57×3.6=205.2°$ Secondary 26 $26×3.6=93.6°$ Tertiary 26 $26×3.6=93.6°$ Tertiary 57.3 $57.3×3.6=206.28°$

Analysing the above diagram, we can conclude that in 2012-13 it is the secondary sector that contributed the most to GDP, on the other hand, in 2013-14, it is tertiary sector that contributed the most to GDP.

#### Question 10:

Present the following data on the production of food grains in the form of a sub-divided bar diagram:

 Year Wheart Rice Gram Total 2016 2017 30 45 20 30 10 15 60 90

 Year Wheat Rice Grain Total 2016 30 20 10 60 2017 45 30 15 90

#### Question 11:

Present the following data by a deviation bar diagram, showing the difference between sale proceeds and costs of a firm.

 Year Sale Proceeds (₹ in lakh) Costs (₹ in lakh) 2011-12 2012-13 2013-14 2014-15 2015-16 2016-17 115 140 145 150 160 170 100 115 155 140 145 165