Q63 of 200 Page 5

Natural numbers are closed under addition.

True.


It is general property of natural number.
Sum of any two natural numbers is always a natural number.
∴ Natural numbers are closed under addition.


More from this chapter

All 200 →
61

The smallest 4-digit number is the successor of the largest 3-digit number.

 62

Of the given two natural numbers, the one having more digits is greater.

 64

Natural numbers are not closed under multiplication.

 65

Natural numbers are closed under subtraction.