Copy Of Class 9 Maths Quiz

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| By Sthir Babu

Sthir Babu

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Quizzes Created: 1 | Total Attempts: 227

| Attempts: 227

2.

Well defined collection of the object is called..........................

Explanation
A well-defined collection of objects is called a set. A set is a fundamental concept in mathematics, representing a group of distinct elements. It is characterized by its clarity and precision, as each element in a set is uniquely defined and there is no repetition. Sets are commonly used to classify and organize objects, allowing for efficient analysis and problem-solving.

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1
3.

What is the complement of the complement of set A?
- A
- U
- U-A
- A'
Correct Answer

A. A

Explanation

Good practice.

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4.

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5.

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6.

Write about George Cantor and his set theory.

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