Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 680 · 40 questions

How to think it through (Test every number): Check each number for a property: even/odd, prime (only two factors), square (4, 9, 16 …), or a multiple of 3, 4, 5 … 9. Find the property that three numbers share and one does not. Make sure no other property points at a different number — then that one is the odd one out.

1. 1.Which number is the odd one out: 30, 45, 72, 75? (a) 30 (b) 45 (c) 72 (d) 75
2. 2.Which number is the odd one out: 88, 32, 80, 15? (a) 88 (b) 32 (c) 80 (d) 15
3. 3.Which number is the odd one out: 55, 64, 16, 4? (a) 55 (b) 64 (c) 16 (d) 4
4. 4.Which number is the odd one out: 11, 14, 97, 47? (a) 11 (b) 14 (c) 97 (d) 47
5. 5.Which number is the odd one out: 88, 62, 96, 12? (a) 88 (b) 62 (c) 96 (d) 12
6. 6.Which number is the odd one out: 61, 34, 43, 41? (a) 61 (b) 34 (c) 43 (d) 41
7. 7.Which number is the odd one out: 2, 38, 53, 29? (a) 2 (b) 38 (c) 53 (d) 29
8. 8.Which number is the odd one out: 31, 75, 79, 5? (a) 31 (b) 75 (c) 79 (d) 5
9. 9.Which number is the odd one out: 79, 59, 93, 71? (a) 79 (b) 59 (c) 93 (d) 71
10. 10.Which number is the odd one out: 16, 19, 59, 61? (a) 16 (b) 19 (c) 59 (d) 61
11. 11.Which number is the odd one out: 5, 31, 41, 15? (a) 5 (b) 31 (c) 41 (d) 15
12. 12.Which number is the odd one out: 29, 73, 45, 89? (a) 29 (b) 73 (c) 45 (d) 89
13. 13.Which number is the odd one out: 19, 79, 13, 20? (a) 19 (b) 79 (c) 13 (d) 20
14. 14.Which number is the odd one out: 27, 59, 79, 36? (a) 27 (b) 59 (c) 79 (d) 36
15. 15.Which number is the odd one out: 3, 13, 42, 61? (a) 3 (b) 13 (c) 42 (d) 61
16. 16.Which number is the odd one out: 17, 47, 71, 50? (a) 17 (b) 47 (c) 71 (d) 50
17. 17.Which number is the odd one out: 55, 59, 79, 37? (a) 55 (b) 59 (c) 79 (d) 37
18. 18.Which number is the odd one out: 61, 73, 68, 89? (a) 61 (b) 73 (c) 68 (d) 89
19. 19.Which number is the odd one out: 19, 32, 13, 59? (a) 19 (b) 32 (c) 13 (d) 59
20. 20.Which number is the odd one out: 96, 28, 6, 56? (a) 96 (b) 28 (c) 6 (d) 56
21. 21.Which number is the odd one out: 89, 83, 3, 24? (a) 89 (b) 83 (c) 3 (d) 24
22. 22.Which number is the odd one out: 16, 95, 64, 82? (a) 16 (b) 95 (c) 64 (d) 82
23. 23.Which number is the odd one out: 54, 41, 37, 3? (a) 54 (b) 41 (c) 37 (d) 3
24. 24.Which number is the odd one out: 44, 59, 41, 23? (a) 44 (b) 59 (c) 41 (d) 23
25. 25.Which number is the odd one out: 72, 80, 75, 65? (a) 72 (b) 80 (c) 75 (d) 65
26. 26.Which number is the odd one out: 67, 30, 2, 17? (a) 67 (b) 30 (c) 2 (d) 17
27. 27.Which number is the odd one out: 23, 54, 90, 45? (a) 23 (b) 54 (c) 90 (d) 45
28. 28.Which number is the odd one out: 3, 77, 36, 7? (a) 3 (b) 77 (c) 36 (d) 7
29. 29.Which number is the odd one out: 13, 71, 4, 47? (a) 13 (b) 71 (c) 4 (d) 47
30. 30.Which number is the odd one out: 37, 67, 61, 33? (a) 37 (b) 67 (c) 61 (d) 33
31. 31.Which number is the odd one out: 47, 79, 21, 67? (a) 47 (b) 79 (c) 21 (d) 67
32. 32.Which number is the odd one out: 40, 59, 61, 71? (a) 40 (b) 59 (c) 61 (d) 71
33. 33.Which number is the odd one out: 39, 29, 3, 10? (a) 39 (b) 29 (c) 3 (d) 10
34. 34.Which number is the odd one out: 48, 5, 80, 24? (a) 48 (b) 5 (c) 80 (d) 24
35. 35.Which number is the odd one out: 99, 81, 9, 67? (a) 99 (b) 81 (c) 9 (d) 67
36. 36.Which number is the odd one out: 29, 22, 67, 61? (a) 29 (b) 22 (c) 67 (d) 61
37. 37.Which number is the odd one out: 64, 66, 12, 78? (a) 64 (b) 66 (c) 12 (d) 78
38. 38.Which number is the odd one out: 69, 17, 3, 19? (a) 69 (b) 17 (c) 3 (d) 19
39. 39.Which number is the odd one out: 67, 19, 2, 50? (a) 67 (b) 19 (c) 2 (d) 50
40. 40.Which number is the odd one out: 59, 97, 5, 30? (a) 59 (b) 97 (c) 5 (d) 30

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