Collection of all divisors of 42. from Mathematics Sets

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 Multiple Choice QuestionsShort Answer Type

1.

Collection of all the months of a year beginning with the letter J.

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A team of eleven best cricket batsmen in the world. 

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3.

Collection of ten most talented writers of India.

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4.

Collection of natural numbers between 100 and 200 (both inclusive).

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5.

Collection of all odd integers.

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6.

Collection of all divisors of 42.


Collection of all divisors of 42 is well defined as we know about all the divisors of 42  i.e., {1,2,3,6,7, 14,21,42}.

Hence, the collection forms a set.

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7.

Collection of beautiful girls in India.

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8.

Fill in the blanks in the following table:

Numbers

Closed under

 

Addition

Subtraction

Multiplication

Division

Rational numbers

Yes

Yes

 

No

Integers

 

Yes

 

No

Whole numbers

...

 

Yes

 

Natural numbers

 

No

   
 
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9. Which of the following are sets? Justify your answer :
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10. Collection of ten most talented writers of India.
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