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Which of the following are sets? Justify your answer.
The collection of all short boys of your class.
Which of the following are sets? Justify your answer.
The collection of all short boys of your class.
Which of the following are sets? Justify your answer.
The collection of all persons of Kolkata whose assessed annual incomes exceed (say) Rs 20 lakh in the 4 financial years 2016-17.
Which of the following are sets? Justify your answer.
The collection of all persons of Kolkata whose assessed annual incomes exceed (say) Rs 20 lakh in the 4 financial years 2016-17.
Which of the following are sets? Justify your answer.
The collection of all interesting dramas written by Shakespeare.
Which of the following are sets? Justify your answer.
The collection of all interesting dramas written by Shakespeare.
Which of the following are sets? Justify your answer.
The collection of all those students of your class whose ages exceed 15 years.
Which of the following are sets? Justify your answer.
The collection of all those students of your class whose ages exceed 15 years.
Which of the following are sets? Justify your answer.
The collection of all the months of the year whose names begin with the letter M.
Which of the following are sets? Justify your answer.
The collection of all the months of the year whose names begin with the letter M.
Months of the Year = Jan, Feb, March, April, May, June, July, Aug, Sep, Oct, Nov, Dec
Months of the year whose names begin with the letter M are:
• March
• May
As, the collection of all the months of the year whose names begin with the letter M is known and can be counted .i.e. well – defined.
∴, this is a set.
Which of the following are sets? Justify your answer.
The collection of all interesting books.
Which of the following are sets? Justify your answer.
The collection of all interesting books.
As the collection of all short boys of your class may vary to person to person. Maybe someone consider short boys of height less than 120 cm and maybe someone consider short boys of height less than 90 cm.
Here, the set is not well – defined.
∴, this is not a set