1,Which of the following is not well defined?
a.Odd numbers divisible by 5
b.List of beautyful faces in your school
c.all-time favorite novel
d.list of fast cars in the world
2.Which of the following is an example of empty set?
a.The set of even numbers divisible by 4.
b.The set of odd numbers divisible by 2
c.The set of prime number greater than 11
d.The set of letters in the word"MISSISSIPPI".
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Answer:
1.b
2.b
that's the answer