Single Answer MCQ
Q-00051581
If A = {x: x is a prime number} and U = {x: x is a natural number less than 10}, find A′.
1
{4, 6, 8, 9}
2
{2, 3, 5, 7}
3
{1, 2, 3, 4, 5}
4
{x: x is not prime}
Answer and Solution
Answer
A. {4, 6, 8, 9}
Solution:
The natural numbers less than 10 are {1, 2, 3, 4, 5, 6, 7, 8, 9}. The prime numbers are {2, 3, 5, 7}. Thus, the complement A′ = {1, 4, 6, 8, 9}. Therefore, the answer is {4, 6, 8, 9}.
Watch Video Solution