Answer :

**(i)** True, since the collection of whole numbers contains all natural numbers.

Natural numbers are numbers starting from 1, i.e 1, 2, 3, 4, 5, 6, ..................

And whole numbers are numbers starting from 0. i.e, 0, 1, 2, 3, 4, 5.............

And you can see that all natural numbers are within whole numbers.

**(ii)** False, as integers may be negative or positive but whole numbers are always positive.

And whole numbers are numbers starting from 0. i.e, 0, 1, 2, 3, 4, 5............

And clearly, negative numbers are missing from whole numbers.

**(iii)** False, as rational numbers may be fractional but whole numbers are not fractional.

Therefore, Whole numbers does not contain all rational numbers.

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