Question

. Which of the following is a well-defined set?
a. P= {Bold students in your class}
b. Q= {Colors of our nations flag
c. R= {Stars on the sky​

Answer 1

Answer:

The correct answer is b.

Step-by-step explanation:

a) Bold students can't be counted because the term bold is vague.

Similarly c) there are infinite stars in the sky which is uncountable.

But b) colours of our nations flag i.e., India are Saffron,White and Green.

So,set B = {Saffron,White,Green} n(B) = 3.

n(B) means no. of elements in set B.