Answer:
The set of integers is a universal set for the other four sets ⇒ (e)
Explanation:
The set of even natural numbers is {2, 4, 6, 8, 10, 12, ...................................}
The set of odd natural numbers is {1, 3, 5, 7, 9, 11, 13, ...................................}
The set of natural numbers is {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, ..............................}
The set of negative numbers is {-1, -2, -3, -4, -5, -6, .......................................}
The set of integers is {..............., -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, ..........}
∵ The set of integers contains all even natural numbers, all the odd
natural numbers
∴ It contains all the natural numbers
∵ The set of integers contains all the negative numbers
∴ The set of integers contains the other four sets
∴ The set of integers is a universal set for the other four sets