Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 260 · 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: 26, 13, 89, 71? (a) 26 (b) 13 (c) 89 (d) 71
2. 2.Which number is the odd one out: 79, 37, 13, 56? (a) 79 (b) 37 (c) 13 (d) 56
3. 3.Which number is the odd one out: 61, 43, 12, 2? (a) 61 (b) 43 (c) 12 (d) 2
4. 4.Which number is the odd one out: 32, 8, 44, 49? (a) 32 (b) 8 (c) 44 (d) 49
5. 5.Which number is the odd one out: 72, 19, 17, 53? (a) 72 (b) 19 (c) 17 (d) 53
6. 6.Which number is the odd one out: 9, 27, 29, 81? (a) 9 (b) 27 (c) 29 (d) 81
7. 7.Which number is the odd one out: 61, 36, 71, 11? (a) 61 (b) 36 (c) 71 (d) 11
8. 8.Which number is the odd one out: 71, 83, 47, 51? (a) 71 (b) 83 (c) 47 (d) 51
9. 9.Which number is the odd one out: 69, 5, 90, 23? (a) 69 (b) 5 (c) 90 (d) 23
10. 10.Which number is the odd one out: 62, 24, 96, 44? (a) 62 (b) 24 (c) 96 (d) 44
11. 11.Which number is the odd one out: 24, 83, 51, 79? (a) 24 (b) 83 (c) 51 (d) 79
12. 12.Which number is the odd one out: 73, 96, 47, 83? (a) 73 (b) 96 (c) 47 (d) 83
13. 13.Which number is the odd one out: 58, 61, 2, 13? (a) 58 (b) 61 (c) 2 (d) 13
14. 14.Which number is the odd one out: 31, 23, 17, 77? (a) 31 (b) 23 (c) 17 (d) 77
15. 15.Which number is the odd one out: 55, 95, 42, 10? (a) 55 (b) 95 (c) 42 (d) 10
16. 16.Which number is the odd one out: 41, 19, 17, 20? (a) 41 (b) 19 (c) 17 (d) 20
17. 17.Which number is the odd one out: 62, 96, 24, 6? (a) 62 (b) 96 (c) 24 (d) 6
18. 18.Which number is the odd one out: 24, 25, 96, 12? (a) 24 (b) 25 (c) 96 (d) 12
19. 19.Which number is the odd one out: 29, 73, 81, 41? (a) 29 (b) 73 (c) 81 (d) 41
20. 20.Which number is the odd one out: 7, 77, 73, 59? (a) 7 (b) 77 (c) 73 (d) 59
21. 21.Which number is the odd one out: 96, 4, 18, 64? (a) 96 (b) 4 (c) 18 (d) 64
22. 22.Which number is the odd one out: 56, 17, 19, 29? (a) 56 (b) 17 (c) 19 (d) 29
23. 23.Which number is the odd one out: 32, 37, 83, 13? (a) 32 (b) 37 (c) 83 (d) 13
24. 24.Which number is the odd one out: 89, 23, 58, 11? (a) 89 (b) 23 (c) 58 (d) 11
25. 25.Which number is the odd one out: 32, 37, 11, 79? (a) 32 (b) 37 (c) 11 (d) 79
26. 26.Which number is the odd one out: 16, 78, 6, 66? (a) 16 (b) 78 (c) 6 (d) 66
27. 27.Which number is the odd one out: 13, 59, 3, 93? (a) 13 (b) 59 (c) 3 (d) 93
28. 28.Which number is the odd one out: 31, 71, 13, 69? (a) 31 (b) 71 (c) 13 (d) 69
29. 29.Which number is the odd one out: 41, 67, 25, 5? (a) 41 (b) 67 (c) 25 (d) 5
30. 30.Which number is the odd one out: 63, 79, 47, 67? (a) 63 (b) 79 (c) 47 (d) 67
31. 31.Which number is the odd one out: 29, 27, 11, 59? (a) 29 (b) 27 (c) 11 (d) 59
32. 32.Which number is the odd one out: 47, 22, 38, 34? (a) 47 (b) 22 (c) 38 (d) 34
33. 33.Which number is the odd one out: 33, 13, 29, 3? (a) 33 (b) 13 (c) 29 (d) 3
34. 34.Which number is the odd one out: 31, 36, 67, 47? (a) 31 (b) 36 (c) 67 (d) 47
35. 35.Which number is the odd one out: 23, 83, 47, 96? (a) 23 (b) 83 (c) 47 (d) 96
36. 36.Which number is the odd one out: 37, 30, 53, 97? (a) 37 (b) 30 (c) 53 (d) 97
37. 37.Which number is the odd one out: 6, 54, 13, 99? (a) 6 (b) 54 (c) 13 (d) 99
38. 38.Which number is the odd one out: 24, 96, 48, 87? (a) 24 (b) 96 (c) 48 (d) 87
39. 39.Which number is the odd one out: 50, 91, 10, 85? (a) 50 (b) 91 (c) 10 (d) 85
40. 40.Which number is the odd one out: 18, 61, 17, 43? (a) 18 (b) 61 (c) 17 (d) 43

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