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Important Questions

Data And Their Representations

NIOS · Class 10 · Maths

Most important questions from Data And Their Representations for NIOS Class 10 Maths board exam 2026. MCQs, short answer, and long answer questions with marks.

40 questions28 flashcards5 concepts

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A comparison chart explaining the two meanings of 'statistics': as numerical data (plural sense) and as the scientific discipline (singular sense), with examples for each.
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40 Questions·
multiple choicenumerical

Sample Questions

1multiple choice
1 marks

In a frequency table, if the first three cumulative frequencies are 5, 12, 20, what is the frequency of the third class?

Show answer

8

Step 1: Frequency of a class = Cumulative frequency of that class - Cumulative frequency of previous class. Step 2: Given cumulative frequencies: 1st = 5, 2nd = 12, 3rd = 20. Step 3: Frequency of 3rd class = 20 - 12 = 8. Step 4: Therefore, the frequency of the third class is 8.

2multiple choice
1 marks

If a class interval is 40-50 and the class size is 10, what would be the next class interval?

Show answer

50-60

Step 1: In continuous class intervals, the upper limit of one class becomes the lower limit of the next class. Step 2: Given class: 40-50 with class size 10. Step 3: Next class starts from 50 (upper limit of current class). Step 4: With class size 10, next class = 50-60.

3multiple choice
1 marks

A histogram shows frequencies 5, 8, 12, 9, 6 for five classes. What is the total frequency?

Show answer

40

Step 1: Total frequency = Sum of all individual frequencies. Step 2: Given frequencies: 5, 8, 12, 9, 6. Step 3: Total frequency = 5 + 8 + 12 + 9 + 6 = 40. Step 4: Therefore, the total frequency is 40.

4multiple choice
1 marks

In a bar graph showing favorite sports, Cricket has 15 votes, Football has 12 votes, and Tennis has 8 votes. How many more votes does Cricket have than Tennis?

Show answer

7

Step 1: Find the difference between Cricket and Tennis votes. Step 2: Cricket votes = 15, Tennis votes = 8. Step 3: Difference = 15 - 8 = 7. Step 4: Therefore, Cricket has 7 more votes than Tennis.

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Frequently Asked Questions

What are the important topics in Data And Their Representations for NIOS Class 10 Maths?
Key topics in Data And Their Representations include Data and Their Representations Overview, Statistics and Data Representations - Complete Overview, Complete Overview of Data and Their Representations. These are the concepts NIOS Class 10 examiners draw on most — study them first, then practise related questions.
How to score full marks in Data And Their Representations — NIOS Class 10 Maths?
Understand the core concepts first, then work through the 40 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Data And Their Representations?
There are 40 practice questions available for Data And Their Representations. These cover multiple question types including MCQs, short answer, and long answer questions.

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

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