Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 723 · 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: 13, 37, 11, 32? (a) 13 (b) 37 (c) 11 (d) 32
2. 2.Which number is the odd one out: 79, 72, 17, 53? (a) 79 (b) 72 (c) 17 (d) 53
3. 3.Which number is the odd one out: 17, 83, 8, 79? (a) 17 (b) 83 (c) 8 (d) 79
4. 4.Which number is the odd one out: 4, 51, 9, 27? (a) 4 (b) 51 (c) 9 (d) 27
5. 5.Which number is the odd one out: 13, 79, 34, 11? (a) 13 (b) 79 (c) 34 (d) 11
6. 6.Which number is the odd one out: 26, 67, 73, 59? (a) 26 (b) 67 (c) 73 (d) 59
7. 7.Which number is the odd one out: 73, 97, 25, 11? (a) 73 (b) 97 (c) 25 (d) 11
8. 8.Which number is the odd one out: 29, 89, 6, 23? (a) 29 (b) 89 (c) 6 (d) 23
9. 9.Which number is the odd one out: 18, 65, 15, 95? (a) 18 (b) 65 (c) 15 (d) 95
10. 10.Which number is the odd one out: 16, 64, 4, 77? (a) 16 (b) 64 (c) 4 (d) 77
11. 11.Which number is the odd one out: 68, 43, 79, 59? (a) 68 (b) 43 (c) 79 (d) 59
12. 12.Which number is the odd one out: 47, 29, 59, 21? (a) 47 (b) 29 (c) 59 (d) 21
13. 13.Which number is the odd one out: 97, 79, 21, 19? (a) 97 (b) 79 (c) 21 (d) 19
14. 14.Which number is the odd one out: 8, 77, 56, 91? (a) 8 (b) 77 (c) 56 (d) 91
15. 15.Which number is the odd one out: 96, 89, 71, 79? (a) 96 (b) 89 (c) 71 (d) 79
16. 16.Which number is the odd one out: 8, 64, 16, 38? (a) 8 (b) 64 (c) 16 (d) 38
17. 17.Which number is the odd one out: 16, 99, 64, 81? (a) 16 (b) 99 (c) 64 (d) 81
18. 18.Which number is the odd one out: 14, 64, 16, 4? (a) 14 (b) 64 (c) 16 (d) 4
19. 19.Which number is the odd one out: 9, 16, 32, 52? (a) 9 (b) 16 (c) 32 (d) 52
20. 20.Which number is the odd one out: 87, 66, 13, 41? (a) 87 (b) 66 (c) 13 (d) 41
21. 21.Which number is the odd one out: 79, 29, 87, 78? (a) 79 (b) 29 (c) 87 (d) 78
22. 22.Which number is the odd one out: 35, 42, 95, 85? (a) 35 (b) 42 (c) 95 (d) 85
23. 23.Which number is the odd one out: 61, 5, 25, 29? (a) 61 (b) 5 (c) 25 (d) 29
24. 24.Which number is the odd one out: 11, 83, 12, 79? (a) 11 (b) 83 (c) 12 (d) 79
25. 25.Which number is the odd one out: 64, 91, 4, 16? (a) 64 (b) 91 (c) 4 (d) 16
26. 26.Which number is the odd one out: 43, 32, 89, 23? (a) 43 (b) 32 (c) 89 (d) 23
27. 27.Which number is the odd one out: 3, 47, 9, 13? (a) 3 (b) 47 (c) 9 (d) 13
28. 28.Which number is the odd one out: 26, 21, 68, 28? (a) 26 (b) 21 (c) 68 (d) 28
29. 29.Which number is the odd one out: 80, 56, 40, 7? (a) 80 (b) 56 (c) 40 (d) 7
30. 30.Which number is the odd one out: 17, 64, 37, 19? (a) 17 (b) 64 (c) 37 (d) 19
31. 31.Which number is the odd one out: 36, 48, 8, 16? (a) 36 (b) 48 (c) 8 (d) 16
32. 32.Which number is the odd one out: 89, 61, 20, 17? (a) 89 (b) 61 (c) 20 (d) 17
33. 33.Which number is the odd one out: 24, 71, 88, 96? (a) 24 (b) 71 (c) 88 (d) 96
34. 34.Which number is the odd one out: 5, 59, 43, 35? (a) 5 (b) 59 (c) 43 (d) 35
35. 35.Which number is the odd one out: 18, 53, 30, 45? (a) 18 (b) 53 (c) 30 (d) 45
36. 36.Which number is the odd one out: 16, 69, 64, 4? (a) 16 (b) 69 (c) 64 (d) 4
37. 37.Which number is the odd one out: 60, 55, 97, 13? (a) 60 (b) 55 (c) 97 (d) 13
38. 38.Which number is the odd one out: 13, 7, 49, 37? (a) 13 (b) 7 (c) 49 (d) 37
39. 39.Which number is the odd one out: 87, 41, 79, 66? (a) 87 (b) 41 (c) 79 (d) 66
40. 40.Which number is the odd one out: 62, 31, 97, 53? (a) 62 (b) 31 (c) 97 (d) 53

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