Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 983 · 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: 11, 12, 19, 67? (a) 11 (b) 12 (c) 19 (d) 67
2. 2.Which number is the odd one out: 87, 57, 28, 51? (a) 87 (b) 57 (c) 28 (d) 51
3. 3.Which number is the odd one out: 81, 40, 99, 9? (a) 81 (b) 40 (c) 99 (d) 9
4. 4.Which number is the odd one out: 90, 83, 5, 17? (a) 90 (b) 83 (c) 5 (d) 17
5. 5.Which number is the odd one out: 19, 61, 90, 29? (a) 19 (b) 61 (c) 90 (d) 29
6. 6.Which number is the odd one out: 77, 66, 91, 21? (a) 77 (b) 66 (c) 91 (d) 21
7. 7.Which number is the odd one out: 19, 52, 43, 17? (a) 19 (b) 52 (c) 43 (d) 17
8. 8.Which number is the odd one out: 97, 79, 28, 67? (a) 97 (b) 79 (c) 28 (d) 67
9. 9.Which number is the odd one out: 59, 43, 26, 67? (a) 59 (b) 43 (c) 26 (d) 67
10. 10.Which number is the odd one out: 67, 47, 97, 26? (a) 67 (b) 47 (c) 97 (d) 26
11. 11.Which number is the odd one out: 20, 13, 5, 19? (a) 20 (b) 13 (c) 5 (d) 19
12. 12.Which number is the odd one out: 13, 43, 37, 25? (a) 13 (b) 43 (c) 37 (d) 25
13. 13.Which number is the odd one out: 31, 97, 29, 78? (a) 31 (b) 97 (c) 29 (d) 78
14. 14.Which number is the odd one out: 43, 37, 6, 89? (a) 43 (b) 37 (c) 6 (d) 89
15. 15.Which number is the odd one out: 13, 71, 18, 99? (a) 13 (b) 71 (c) 18 (d) 99
16. 16.Which number is the odd one out: 54, 78, 18, 89? (a) 54 (b) 78 (c) 18 (d) 89
17. 17.Which number is the odd one out: 69, 89, 13, 73? (a) 69 (b) 89 (c) 13 (d) 73
18. 18.Which number is the odd one out: 48, 96, 55, 12? (a) 48 (b) 96 (c) 55 (d) 12
19. 19.Which number is the odd one out: 22, 8, 39, 32? (a) 22 (b) 8 (c) 39 (d) 32
20. 20.Which number is the odd one out: 32, 37, 17, 13? (a) 32 (b) 37 (c) 17 (d) 13
21. 21.Which number is the odd one out: 5, 10, 13, 17? (a) 5 (b) 10 (c) 13 (d) 17
22. 22.Which number is the odd one out: 98, 79, 47, 73? (a) 98 (b) 79 (c) 47 (d) 73
23. 23.Which number is the odd one out: 47, 83, 28, 2? (a) 47 (b) 83 (c) 28 (d) 2
24. 24.Which number is the odd one out: 13, 6, 79, 23? (a) 13 (b) 6 (c) 79 (d) 23
25. 25.Which number is the odd one out: 25, 20, 92, 76? (a) 25 (b) 20 (c) 92 (d) 76
26. 26.Which number is the odd one out: 29, 22, 11, 73? (a) 29 (b) 22 (c) 11 (d) 73
27. 27.Which number is the odd one out: 25, 97, 83, 5? (a) 25 (b) 97 (c) 83 (d) 5
28. 28.Which number is the odd one out: 69, 83, 48, 53? (a) 69 (b) 83 (c) 48 (d) 53
29. 29.Which number is the odd one out: 32, 61, 41, 17? (a) 32 (b) 61 (c) 41 (d) 17
30. 30.Which number is the odd one out: 89, 16, 8, 4? (a) 89 (b) 16 (c) 8 (d) 4
31. 31.Which number is the odd one out: 19, 2, 68, 41? (a) 19 (b) 2 (c) 68 (d) 41
32. 32.Which number is the odd one out: 67, 49, 7, 73? (a) 67 (b) 49 (c) 7 (d) 73
33. 33.Which number is the odd one out: 11, 67, 47, 54? (a) 11 (b) 67 (c) 47 (d) 54
34. 34.Which number is the odd one out: 16, 64, 32, 27? (a) 16 (b) 64 (c) 32 (d) 27
35. 35.Which number is the odd one out: 43, 19, 18, 13? (a) 43 (b) 19 (c) 18 (d) 13
36. 36.Which number is the odd one out: 89, 38, 19, 79? (a) 89 (b) 38 (c) 19 (d) 79
37. 37.Which number is the odd one out: 9, 40, 4, 81? (a) 9 (b) 40 (c) 4 (d) 81
38. 38.Which number is the odd one out: 48, 96, 25, 66? (a) 48 (b) 96 (c) 25 (d) 66
39. 39.Which number is the odd one out: 83, 79, 41, 91? (a) 83 (b) 79 (c) 41 (d) 91
40. 40.Which number is the odd one out: 95, 5, 85, 83? (a) 95 (b) 5 (c) 85 (d) 83

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