Set of all counting numbers

Question

Select the correct answer for the set of all counting numbers less than 6

 

a. { 0, 1, 2, 3, 4, 5, 6}

 

b. {1, 2, 3, 4, 5, 6}

 

c. {0, 1, 2, 3, 4, 5}

 

d.  {1, 2, 3, 4, 5}

 

Answer 1

the answer is D, because it consists of counting numbers 1,2,3,4,5 and they are all less thah 6.

Answer 2

1,2,3,4,5,6,7,8,... are the counting numbers.

1,2,3,4,5 are less than 6

d. is the answer