Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 269 · 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: 41, 87, 29, 13? (a) 41 (b) 87 (c) 29 (d) 13
2. 2.Which number is the odd one out: 11, 80, 40, 32? (a) 11 (b) 80 (c) 40 (d) 32
3. 3.Which number is the odd one out: 60, 7, 71, 21? (a) 60 (b) 7 (c) 71 (d) 21
4. 4.Which number is the odd one out: 58, 82, 62, 99? (a) 58 (b) 82 (c) 62 (d) 99
5. 5.Which number is the odd one out: 66, 71, 29, 79? (a) 66 (b) 71 (c) 29 (d) 79
6. 6.Which number is the odd one out: 81, 9, 99, 26? (a) 81 (b) 9 (c) 99 (d) 26
7. 7.Which number is the odd one out: 17, 67, 72, 37? (a) 17 (b) 67 (c) 72 (d) 37
8. 8.Which number is the odd one out: 73, 47, 76, 59? (a) 73 (b) 47 (c) 76 (d) 59
9. 9.Which number is the odd one out: 12, 79, 29, 2? (a) 12 (b) 79 (c) 29 (d) 2
10. 10.Which number is the odd one out: 8, 32, 88, 60? (a) 8 (b) 32 (c) 88 (d) 60
11. 11.Which number is the odd one out: 65, 8, 50, 85? (a) 65 (b) 8 (c) 50 (d) 85
12. 12.Which number is the odd one out: 89, 37, 83, 74? (a) 89 (b) 37 (c) 83 (d) 74
13. 13.Which number is the odd one out: 8, 32, 49, 56? (a) 8 (b) 32 (c) 49 (d) 56
14. 14.Which number is the odd one out: 11, 17, 71, 22? (a) 11 (b) 17 (c) 71 (d) 22
15. 15.Which number is the odd one out: 31, 73, 5, 65? (a) 31 (b) 73 (c) 5 (d) 65
16. 16.Which number is the odd one out: 49, 40, 20, 88? (a) 49 (b) 40 (c) 20 (d) 88
17. 17.Which number is the odd one out: 31, 61, 38, 47? (a) 31 (b) 61 (c) 38 (d) 47
18. 18.Which number is the odd one out: 38, 71, 79, 19? (a) 38 (b) 71 (c) 79 (d) 19
19. 19.Which number is the odd one out: 64, 4, 79, 88? (a) 64 (b) 4 (c) 79 (d) 88
20. 20.Which number is the odd one out: 86, 19, 79, 73? (a) 86 (b) 19 (c) 79 (d) 73
21. 21.Which number is the odd one out: 15, 41, 71, 11? (a) 15 (b) 41 (c) 71 (d) 11
22. 22.Which number is the odd one out: 83, 79, 43, 46? (a) 83 (b) 79 (c) 43 (d) 46
23. 23.Which number is the odd one out: 77, 5, 35, 7? (a) 77 (b) 5 (c) 35 (d) 7
24. 24.Which number is the odd one out: 9, 30, 81, 27? (a) 9 (b) 30 (c) 81 (d) 27
25. 25.Which number is the odd one out: 5, 74, 82, 26? (a) 5 (b) 74 (c) 82 (d) 26
26. 26.Which number is the odd one out: 82, 16, 64, 4? (a) 82 (b) 16 (c) 64 (d) 4
27. 27.Which number is the odd one out: 41, 29, 65, 19? (a) 41 (b) 29 (c) 65 (d) 19
28. 28.Which number is the odd one out: 11, 17, 66, 3? (a) 11 (b) 17 (c) 66 (d) 3
29. 29.Which number is the odd one out: 41, 70, 73, 47? (a) 41 (b) 70 (c) 73 (d) 47
30. 30.Which number is the odd one out: 43, 78, 89, 37? (a) 43 (b) 78 (c) 89 (d) 37
31. 31.Which number is the odd one out: 13, 80, 53, 2? (a) 13 (b) 80 (c) 53 (d) 2
32. 32.Which number is the odd one out: 57, 73, 81, 9? (a) 57 (b) 73 (c) 81 (d) 9
33. 33.Which number is the odd one out: 17, 39, 43, 53? (a) 17 (b) 39 (c) 43 (d) 53
34. 34.Which number is the odd one out: 31, 64, 47, 2? (a) 31 (b) 64 (c) 47 (d) 2
35. 35.Which number is the odd one out: 54, 45, 90, 3? (a) 54 (b) 45 (c) 90 (d) 3
36. 36.Which number is the odd one out: 97, 74, 59, 83? (a) 97 (b) 74 (c) 59 (d) 83
37. 37.Which number is the odd one out: 13, 23, 95, 59? (a) 13 (b) 23 (c) 95 (d) 59
38. 38.Which number is the odd one out: 71, 99, 67, 11? (a) 71 (b) 99 (c) 67 (d) 11
39. 39.Which number is the odd one out: 81, 9, 49, 70? (a) 81 (b) 9 (c) 49 (d) 70
40. 40.Which number is the odd one out: 23, 37, 54, 17? (a) 23 (b) 37 (c) 54 (d) 17

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