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Graphical Representation of Data — Practice Quiz

Jammu & Kashmir Board · Class 12 · Geography

Try a 4-question quiz on Graphical Representation of Data for Jammu & Kashmir Board Class 12 Geography: tap an answer to check it and see why.

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Quick Quiz: Graphical Representation of Data

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1

A pie diagram shows shares of 25%, 30%, 20%, and 25%. Find the angle for the 30% sector.

2

A pie diagram has values 40, 25, 15, and 20. Find the angle for the value 15.

3

A pie diagram represents export shares of 18%, 22%, 35%, and 25%. Find the angle for the 22% share.

4

A choropleth map has maximum value 91 and minimum value 47. Find the class interval using Range/5.

58 Questions·
multiple choicemultiple correct

Sample Questions

1multiple choice
3 marks

A choropleth map shows data values 12, 27, 33, 40, and 57. Find the range and then the class interval for five categories.

Show answer

Range 45, interval 9

Maximum value = 57 and minimum value = 12. Range = 57 – 12 = 45. Class interval = Range/5 = 45/5 = 9. So the correct pair is range 45 and interval 9.

2multiple choice
3 marks

In a dot map, 1 dot represents 100,000 people. A state has a population of 4,86,52,247. Find the number of dots after rounding as required.

Show answer

487

Divide the population by 100,000: 4,86,52,247 ÷ 100,000 = 486.52247. Since the fraction is more than 0.5, round to 487. The correct number of dots is 487.

3multiple choice
3 marks

A flow map uses a scale of 1 cm = 50 trains. Find the strip thickness for 30 trains and for 12 trains.

Show answer

6 mm and 2.4 mm

If 50 trains = 1 cm, then 30 trains = 30/50 cm = 0.6 cm = 6 mm. Also, 12 trains = 12/50 cm = 0.24 cm = 2.4 mm. The correct strip thicknesses are 6 mm and 2.4 mm.

4multiple choice
3 marks

Two stations on an isopleth map are 1 cm apart and their values are 28 and 33. Find the point of Isopleth for value 30 using the given formula.

Show answer

0.4 cm from 28

Use Point of Isopleth = (Distance between two points in cm / Difference between the two values of corresponding points) × Interval. Here, distance = 1 cm, difference = 33 – 28 = 5, interval from 28 to 30 = 2. So, point = (1/5) × 2 = 0.4 cm from 28. The correct point is 0.4 cm from 28.

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Frequently Asked Questions

What are the important topics in Graphical Representation of Data for Jammu & Kashmir Board Class 12 Geography?
Key topics in Graphical Representation of Data include Meaning, Need and General Rules, Classification of Diagrams, Line Graph and Polygraph, Bar Diagram, Multiple Bar Diagram and Compound Bar Diagram. Study these first, then practise questions on each for the Jammu & Kashmir Board Class 12 board exam.
How many practice questions are there for Graphical Representation of Data?
There are 58 questions on Graphical Representation of Data. Try the 4-question sample quiz on this page first; each answer shows an explanation when you tap it.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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