CBSE Class 7 Mathematics Question 1 of 14

Large Numbers Around Us — Question 1

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1
Question
According to the 2011 Census, the population of the town of Chintamani was about 75,000. How much less than one lakh is 75,000?
Answer

One lakh = 1,00,000 Now, 1,00,000 – 75,000 = 25,000 Thus, the population of Chintamani in 2011 was 25,000 less than one lakh.


Source: This question is from Large Numbers Around Us, Mathematics — Class 7, CBSE Board.

Key Concepts Covered

This question tests your understanding of the following concepts from the chapter Large Numbers Around Us: According, Census, Population, Town, Chintamani, Less. These are fundamental topics in Mathematics that students are expected to master as part of the CBSE Class 7 curriculum.

A thorough understanding of these concepts will help you answer similar questions confidently in your CBSE examinations. These topics are frequently tested in both objective and subjective sections of Mathematics papers. We recommend revising the relevant section of your textbook alongside practising these solved examples to build a strong foundation.

How to Approach This Question

Read the question carefully and identify what is being asked. Break down complex questions into smaller parts. Use the terminology and concepts discussed in this chapter. Structure your answer logically — begin with a definition or key statement, then provide supporting details. Review your answer to ensure it addresses all parts of the question completely.

Key Points to Remember

  • Always show your working steps clearly.
  • Verify your answer by substituting values back into the equation.
  • Practice similar problems from the textbook exercises.
  • Memorise important formulae and their conditions of applicability.

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