Question

Question 1.

Which of the following statements is false ?

(a) Natural numbers are closed under addition

(b) Whole numbers are closed under addition

(c) Integers are closed under addition

(d) Rational numbers are not closed under

addition.

Question 2.

Which of the following statements is false ?

(a) Natural numbers are closed under subtraction

(b) Whole numbers are not closed under

subtraction

(c) Integers are closed under subtraction

(d) Rational numbers are closed under subtraction​

Answer 1

Answer:

ans1 (d)=rationl numbers are not closed under additions

ans2(a)= natural numbers are closed under subtraction

fals statement.