Question

1. State which of the following collections are sets:
(i) Four days of a week (ii) All the positive fractions
(iii) Last five natural numbers (iv) Digits of the number 7231
(v) Stars in the sky
(vi) Five test cricketers of India.
2. State which of the following are true:
(i) 3 € N (ii) -4 $ I (iii) 0 EN
(iv) į € 1 (v) 7 € W (vi) –2 € W.​

Answer 1

Answer:

1. 1,3 and 4th

2. 1,4,5,6th