The collection of cricketers in the world who were out for 99 runs in a test match is a set.

Which of the following are sets? (i) The collection of amazing persons in the world (ii) The collection of all the composite numbers (iii) The collection of all letters of the word INDIAN (iv) The collection of all factors of 32.

Shekhar is a famous cricket player. He has so far scored 6980 runs in test matches. He wishes to complete 10,000 runs. How many more runs does he need?

Which of the following collections are sets? (i) The collection of all the oceans in the world (ii) The collection of all poor people in the world (iii) The collection of all multiples of 8 (iv) The collection of all letters of word APPLE .

Which of he following are sets ? Justify your answer (i) The collection of all the months of a year beginning with the letter J (ii) The collection of ten most talented writers of India (iii) A team of eleven best-cricket batsman of the world (iv) The collection of all body in your class (v) The collection of all natural numbers less than 100 (vi) A collection of novels written by the writer Munshi Premchand (vii) The collection of all even integers (viii) The collection of questions in this Chapter (ix) A collection of most dangerous animals of the world.

Which of the following are sets? Justify your answer. (i) The collection of all the months of a year beginning with the letter J. (ii) The collection of ten most talented writers of India. (iii) A team of elevens best–cricket batsmen of the world. (iv) The collection of all boys in your class. (v) The collection of all natural numbers less than 100. (vi) A collection of novels written by the writer Munshi Prem Chand. (vii) The collection of all even integers. (viii) The collection of questions in this chapter. (ix) A collection of most dangerous animals of the world.

A famous cricket player has so far scored 6978 runs in test matches. He wishes to complete 10,000 runs. How many more runs does he need?

Which of the following are sets ? Justify your answer (i) A team of eleven best cricket playes in the world. (ii) The collection of difficult problems in a book. (iii) The collection of all boys in the eleventh class of a particlular school.