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​
Answers
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3
Answer:
ans1 (d)=rationl numbers are not closed under additions
ans2(a)= natural numbers are closed under subtraction
fals statement.
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