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Important Questions

A Story of Numbers

CBSE · Class 8 · Mathematics

Most important questions from A Story of Numbers for CBSE Class 8 Mathematics board exam 2026. MCQs, short answer, and long answer questions with marks.

113 questions70 flashcards5 concepts

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113 Questions·
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Sample Questions

1multiple choice
3 marks

In the Roman system, 27 is written by grouping first into 10s, then 5s, then 1s. What is the Roman numeral?

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XXVII

27 = 10 + 10 + 5 + 1 + 1, so the Roman numeral is XXVII.

2multiple choice
3 marks

A number is represented on an Egyptian abacus as 3426. How many counters are needed in total if each unit, ten, hundred, and thousand is shown separately?

Show answer

15

3426 = 3 thousands + 4 hundreds + 2 tens + 6 ones. Total counters = 3 + 4 + 2 + 6 = 15.

3multiple choice
3 marks

A Mesopotamian number uses the place value 60. If a number has 12 in the 60s place and 8 in the ones place, what is the number?

Show answer

728

Compute 12 × 60 + 8 = 720 + 8 = 728.

4multiple choice
3 marks

A number in Chinese rod numerals has 4 in the thousands place, 0 in the hundreds place, 3 in the tens place, and 9 in the ones place. What is the number?

Show answer

4039

The digits are placed by position: 4 × 10^3 + 0 × 10^2 + 3 × 10 + 9 = 4039.

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Frequently Asked Questions

What are the important topics in A Story of Numbers for CBSE Class 8 Mathematics?
A Story of Numbers covers several key topics that are frequently asked in CBSE Class 8 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in A Story of Numbers — CBSE Class 8 Mathematics?
Understand the core concepts first, then work through the 113 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 A Story of Numbers?
There are 113 practice questions available for A Story of Numbers. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

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

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All 14 chapters — CBSE Class 8 Mathematics Important Questions

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