`A` is a set of positive even number and `B` is a set of odd natural numbers, then `AuuB` is

If A is the set of whole numbers and B is the set of natural numbers, then (B - A) us "_____" set. (singleton/null).

Is the set of natural numbers a finite set?

f: N to A where N is the set of natural numbers and A is the set of even natural numbers, defined by f(x) = 2x , then f is:

A ={set of odd natural numbers}, B={sets of even natural numbers}, then A and B are

A is a set of all the prime numbers less than 20, B is a set of all the even natural numbers less than 20 and C is a set of all the odd natural numbers. Which of the following is/are true statements ? (A) A nn B is a singleton set. (B) B and C are disjoint sets. (C) A nn C is an infinite set.

If A is the set of positive divisors of the number 18;B is the set of prime numbers less than 12, and C is the set of even natural numbers less than 10, then (A uu B)nn C is

A is the set of prime numbers less than 10, B is the set of odd numbers less than 10 and C is the set of even numbers less than 10. Which of the following statements are true? A sub B

A is the set of prime numbers less than 10, B is the set of odd numbers less than 10 and C is the set of even numbers less than 10. Which of the following statements are true? B sub A

A is the set of prime numbers less than 10, B is the set of odd numbers less than 10 and C is the set of even numbers less than 10. Which of the following statements are true? B sub C