Test: Arithmetic I - Challenging

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Question 1:   Which of the following set of numbers consists only from the whole numbers?
1000 ,100, 10 4
259 , 2 6 , 1 5 125 3
1 10 216 3 , 3 3 , 4 2
725, 625 , 5 2
Question 2:   Which of the following set of numbers consists only from natural numbers?
8 3 ,17,4 1 2
| 15 |, 5 2 4 2 , 5 5
12.5, 8 , ( 6 ) 2
( 2 ) 2 , ( 7 ) 3 ,100
Question 3:   Which of the following set of numbers consists only of integers:
| 16 4 |, 16 4 ,155100
10 2 ,52.5,49
π 2 ,145, 49
2| 5 |,π,30
Question 4:   Arrange the following set of numbers from the largest to the smallest: 2 3 π, 2 2 ,| 1 |,3, 3 2
3, 2 2 , 2 3 π, 3 2 ,| 1 |
2 2 ,3, 2 3 π, 3 2 ,| 1 |
2 2 ,3, 2 3 π,| 1 |, 3 2
2 2 , 2 3 π,3,| 1 |, 3 2
Question 5:   Arrange the following set of numbers from the smallest to the largest: ( 2 ) 2 , 5 2 , π 2 ,| 4 3 |,3
| 4 3 |, π 2 , 5 2 ,3, ( 2 ) 2
| 4 3 |, π 2 , ( 2 ) 2 , 5 2 ,3
π 2 ,| 4 3 |, ( 2 ) 2 , 5 2 ,3
π 2 ,| 4 3 |, 5 2 , ( 2 ) 2 ,3
Question 6:   Round to the nearest integer: 12.39+18.422.73
31
34
29
28
Question 7:   Round to the nearest integer: 16.61+13.332.25
26
27
29
28
Question 8:   Round to the nearest 10 : 78.46+28.95+11.13
50
20
40
30
Question 9:   Round to the nearest 100 : 336.27+( 785.11 )+112.16
300
400
500
200
Question 10:   Round to the nearest 100 : 186.44314.82212.61
800
600
900
700