Are the following statements true or false? Give reasons for your answers.(i)         Every whole number is a natural number.(ii)        Every integer is a rational number.(iii)        Every rational number is an integer.

Solution: (i) false
as, whole no : 0,1,2,3,4.....
natural no : 1,2,3,4....
0 is not a natural no but it is whole no so false
(ii) true
1,2, 3 are integer as well as rational no
(iii) false
3/5 is a rational no but not integer