Nm Shah 2018 Solutions for Class 11 Commerce Economics Chapter 3 Diagrammatic Presentation are provided here with simple step-by-step explanations. These solutions for Diagrammatic Presentation are extremely popular among Class 11 Commerce students for Economics Diagrammatic Presentation Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the Nm Shah 2018 Book of Class 11 Commerce Economics Chapter 3 are provided here for you for free. You will also love the ad-free experience on Meritnation’s Nm Shah 2018 Solutions. All Nm Shah 2018 Solutions for class Class 11 Commerce Economics are prepared by experts and are 100% accurate.

Page No 101:

Question 1:

Present the following data by simple bar diagram.


Production of Coal
(Million Tons)
Year 2011-12 2012-13 2013-14 2014-15 2015-16
Production (Million Tons) 77.50 78 88.75 99.25 103.50

Answer:


Page No 101:

Question 2:

Represent the following data by sub-divided and multiple bar diagrams.


Demand and Availability of Steel
(Thousand Tons)
Year 2012-13 2013-14 2014-15 2015-16
Demand 6150 6550 7000 7650
Availability 6600 8200 8950 9800

Answer:

Year 2012-13 2013-14 2014-15 2015-16
Demand 6150 6550 7000 7650
Availability 6600 8200 8950 9800
Total 12750 14750 15950 17450

Sub-divided Bar Diagram



Multiple Bar Diagram

Page No 101:

Question 3:

Represent the following data with the help of multiple bar diagram.


 
Year 2009-10 2010-11 2011-12 2012-13
Imports (₹ in crores) 2950 4500 5250 5250
Exports (₹ in crores) 2500 3300 4050 5150

Answer:

Multiple bar diagram

Page No 101:

Question 4:

Present the following data by sub-divided bar diagram.

Total Import
  (Rupees in crores)  
Items 2011-12 2012-13 2013-14 2014-15
Food 128 470 810 985
Fertilisers 77 125 300 325
Mineral oil 207 335 1,140 1,046
Others 1,738 1,770 1,950 2,394
Total 2,150 2,700 4,200 4,750
 

Answer:

Sub-divided Bar Diagram

Page No 101:

Question 5:

Represent the following data with the help of 
(a) Simple bar diagram, and
(b) Pie diagram.
Production of Wheat, Rice and Tea: Wheat3250 Tons; Rice1850 Tons; Tea900 Tons 

Answer:

(a) The given data can be presented in the form of a simple bar diagram as follows:



(b)

Commodity Production
(in tons)
Percentage Share Degree of angle=Percentage share100×360 
Wheat 3250 32506000×100=54.16 54.16100×360=194.99°
Rice 1850 18506000×100=30.83 30.83100×360=110.98°
Tea 900 9006000×100=15 15100×360=54°
Total 6010 100 360°
 

Page No 101:

Question 6:

Draw a suitable bar diagram from the following data:

Year 2007 2008 2009 2010
Exports (₹ in crores) 73 80 85 80
Import (₹ in crores) 70 72 74 85
 

Answer:

 



Page No 102:

Question 7:

Represent the folowing data by means of a percentage bar diagram:

Items of Expenditure Food  Clothing Rent Education Miscellaneous
Family A (₹) 150 30 24 24 72
Family B (₹) 350 220 130 170 130
 

Answer:

 

Items Expenditure by family A
(in Rs)
Expenditure by family A
(in %)
Expenditure by family B
(in Rs)
Expenditure by family B
(in %)
Food 150 150300×100=50 350 3501000×100=35
Clothing 30 30300×100=10 220 2201000×100=22
Rent 24 24300×100=8 130 1301000×100=13
Education 24 24300×100=8 170 1701000×100=17
Miscellaneous 72 72300×100=24 130 1301000×100=13
Total 300 100 1000 100


The above data can be presented in the form of a percentage bar diagram as follows:

Page No 102:

Question 8:

Draw a pie diagram to represent the following data for the year 2015. 

Items  Food  Clothing Rent Medical others Total
Expenditure (₹) 644 200 420 80 96 1440
 

Answer:

 

Items Expenditure Percentage Share Degree of angle=Percentage share100×360 
Food 644 6441440×100=44.72 44.72100×360=160.99
Clothing 200 2001440×100=13.89 13.89100×360=50.01
Rent 420 4201440×100=29.17 29.17100×360=105.01
Medical 80 801440×100=5.55 5.55100×360=19.98
Others 96 961440×100=6.67 6.67100×360=24.01
Total 1440 100 360°

Page No 102:

Question 9:

Three year's result of XII Class students of  a school are given in the following table. Represent this by a suitable bar diagram.
 

Year Number of Students
First Div. Second Div. Third Div. Failed
2014 50 150 250 50
2015 60 200 300 40
2016 50 250 350 50

 

Answer:

Number of Students
Year First Div. Second Div. Third Div. Failed Total
2014
2015
2016
50
60
50
150
200
250
250
300
350
50
40
50
500
600
700

The given data can be represented in the form of a sub-divided bar diagram as follows:

Page No 102:

Question 10:

Represent the birth rates of different countries by a suitable diagram.

Country India Germany UK China New Zealand Sweden
Birth Rate 33 16 20 40 30 15
 

Answer:

The given data can be represented in the form of a simple bar diagram as follows:

Page No 102:

Question 11:

Represent the following data by sub-divided bar diagram:
Price, Cost and Quantity Sold of Commodities A and B.

Particulars A(₹) B(₹)
Price per unit 3 2
Quantity sold 75 100
Value of raw material 175 150
Other expenses 30 25
Profit 20 25
 

Answer:

Particulars Commodity A
(Rs)
Commodity B
(Rs)
Price per Unit
Quantity Sold
Value of Raw Material
Other Expenses
Profit
3
75
175
30
20
2
100
150
25
25
Total 303 302

Sub-divided Bar Diagram

Page No 102:

Question 12:

Show the following data by percentage bar diagram:

% expenditure
Year Wages Raw Material Work cost Overheads
2007 30 40 22 8
2008 35 32 24 9
2009 36 30 25 9
 

Answer:

 Percentage Bar Diagram

Page No 102:

Question 13:

Draw a pie diagram to represent the following data:
​

Item Average Expenditure per week in â‚¹
2009 2010
Food 644 945
Clothing 200 322
Rent 420 525
Medical 80 210
Other item 96 518
Total 1440 2520

 

Answer:

 

Item 2009 2010
Average Expenditure Percentage
Share
Degree of angle Average Expenditure
Percentage
Share

 
Degree of angle
Food 644 6441440×100=44.72 44.72100×360=160.99 945 9452520×100=37.5 37.5100×360=135
Clothing 200 2001440×100=13.89 13.89100×360=50.01 322 3222520×100=12.78 12.78100×360=46.01
Rent 420 4201440×100=29.17 29.17100×360=105.01 525 5252520×100=20.83 20.83100×360=74.99
Medical 80 801440×100=5.55 5.55100×360=19.98 210 2102520×100=8.33 8.33100×360=29.99
Other item 96 961440×100=6.67 6.67100×360=24.01 518 5182520×100=20.56 20.56100×360=74.01
Total 1440 100 360 2520 100 360



Page No 103:

Question 14:

Represent the following information on the cost composition of a product in bar chart :

Cost Proceeds and Profit and Loss Per Table
​Particulars 2008 2009

Cost per table:
(a) Wages
(b) Polishing
​(c) Other Costs


21
14
​7


​9
6
3
     
Total Cost 42 18
Proceeds per table 40 20
     
Profit (+) Loss (−) −2 +2
                                                 

Answer:

Bar Chart



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