Test: Arithmetic I - Ambitious

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Question 1:   Which of the following sets of numbers consists only from whole numbers?
1,2,7,9,12
0,13,18,1,7
2 ,0,5,8,13
1.1,2,3.3,4,5
Question 2:   Which of the following sets of numbers consists only from natural numbers?
2,1,1,2,3
5.7,2,9,12,16
6,9,1,12,98
0,1,2,3,4
Question 3:   Which of the following sets of numbers consists only from integers?
3,2,1,0,1, 4
1,2,π,8,11,0
1.21,0,34,15,3
18,2,3,17,1.6
Question 4:   Arrange the following set of numbers in order of size from the largest to the smallest: 25,30,27,31,5,17,12
30,27,17,5,31,25,12
31,25,12,5,17,27,30
30,27,17,5,12,25,31
31,30,27,25,17,12,5
Question 5:   Arrange the following set of numbers in order of size from the smallest to the largest: 25,30,27,31,5,17,12
5,12,17,25,27,30,31
30,27,17,5,12,25,31
31,25,12,5,17,27,30
12,25,31,5,17,27,30
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