Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 248 · 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: 64, 24, 4, 66? (a) 64 (b) 24 (c) 4 (d) 66
2. 2.Which number is the odd one out: 16, 64, 4, 50? (a) 16 (b) 64 (c) 4 (d) 50
3. 3.Which number is the odd one out: 23, 49, 47, 73? (a) 23 (b) 49 (c) 47 (d) 73
4. 4.Which number is the odd one out: 37, 31, 4, 43? (a) 37 (b) 31 (c) 4 (d) 43
5. 5.Which number is the odd one out: 79, 59, 80, 67? (a) 79 (b) 59 (c) 80 (d) 67
6. 6.Which number is the odd one out: 53, 41, 46, 43? (a) 53 (b) 41 (c) 46 (d) 43
7. 7.Which number is the odd one out: 19, 85, 89, 23? (a) 19 (b) 85 (c) 89 (d) 23
8. 8.Which number is the odd one out: 97, 43, 84, 19? (a) 97 (b) 43 (c) 84 (d) 19
9. 9.Which number is the odd one out: 71, 47, 28, 11? (a) 71 (b) 47 (c) 28 (d) 11
10. 10.Which number is the odd one out: 17, 3, 71, 51? (a) 17 (b) 3 (c) 71 (d) 51
11. 11.Which number is the odd one out: 43, 53, 15, 79? (a) 43 (b) 53 (c) 15 (d) 79
12. 12.Which number is the odd one out: 29, 87, 43, 11? (a) 29 (b) 87 (c) 43 (d) 11
13. 13.Which number is the odd one out: 58, 19, 23, 71? (a) 58 (b) 19 (c) 23 (d) 71
14. 14.Which number is the odd one out: 52, 83, 43, 19? (a) 52 (b) 83 (c) 43 (d) 19
15. 15.Which number is the odd one out: 76, 17, 83, 41? (a) 76 (b) 17 (c) 83 (d) 41
16. 16.Which number is the odd one out: 91, 70, 90, 63? (a) 91 (b) 70 (c) 90 (d) 63
17. 17.Which number is the odd one out: 19, 25, 29, 83? (a) 19 (b) 25 (c) 29 (d) 83
18. 18.Which number is the odd one out: 42, 17, 97, 43? (a) 42 (b) 17 (c) 97 (d) 43
19. 19.Which number is the odd one out: 44, 17, 19, 2? (a) 44 (b) 17 (c) 19 (d) 2
20. 20.Which number is the odd one out: 28, 67, 79, 47? (a) 28 (b) 67 (c) 79 (d) 47
21. 21.Which number is the odd one out: 77, 35, 36, 70? (a) 77 (b) 35 (c) 36 (d) 70
22. 22.Which number is the odd one out: 45, 90, 6, 23? (a) 45 (b) 90 (c) 6 (d) 23
23. 23.Which number is the odd one out: 23, 84, 89, 3? (a) 23 (b) 84 (c) 89 (d) 3
24. 24.Which number is the odd one out: 34, 89, 47, 31? (a) 34 (b) 89 (c) 47 (d) 31
25. 25.Which number is the odd one out: 89, 11, 26, 31? (a) 89 (b) 11 (c) 26 (d) 31
26. 26.Which number is the odd one out: 13, 59, 30, 31? (a) 13 (b) 59 (c) 30 (d) 31
27. 27.Which number is the odd one out: 41, 73, 61, 46? (a) 41 (b) 73 (c) 61 (d) 46
28. 28.Which number is the odd one out: 41, 73, 11, 82? (a) 41 (b) 73 (c) 11 (d) 82
29. 29.Which number is the odd one out: 13, 85, 67, 71? (a) 13 (b) 85 (c) 67 (d) 71
30. 30.Which number is the odd one out: 16, 68, 82, 64? (a) 16 (b) 68 (c) 82 (d) 64
31. 31.Which number is the odd one out: 85, 25, 16, 80? (a) 85 (b) 25 (c) 16 (d) 80
32. 32.Which number is the odd one out: 9, 56, 4, 81? (a) 9 (b) 56 (c) 4 (d) 81
33. 33.Which number is the odd one out: 71, 6, 19, 47? (a) 71 (b) 6 (c) 19 (d) 47
34. 34.Which number is the odd one out: 71, 13, 97, 20? (a) 71 (b) 13 (c) 97 (d) 20
35. 35.Which number is the odd one out: 96, 91, 78, 48? (a) 96 (b) 91 (c) 78 (d) 48
36. 36.Which number is the odd one out: 6, 43, 37, 31? (a) 6 (b) 43 (c) 37 (d) 31
37. 37.Which number is the odd one out: 93, 39, 2, 57? (a) 93 (b) 39 (c) 2 (d) 57
38. 38.Which number is the odd one out: 70, 65, 12, 35? (a) 70 (b) 65 (c) 12 (d) 35
39. 39.Which number is the odd one out: 19, 3, 83, 90? (a) 19 (b) 3 (c) 83 (d) 90
40. 40.Which number is the odd one out: 94, 61, 17, 2? (a) 94 (b) 61 (c) 17 (d) 2

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