Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 784 · 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: 98, 14, 77, 19? (a) 98 (b) 14 (c) 77 (d) 19
2. 2.Which number is the odd one out: 79, 48, 31, 87? (a) 79 (b) 48 (c) 31 (d) 87
3. 3.Which number is the odd one out: 48, 42, 28, 32? (a) 48 (b) 42 (c) 28 (d) 32
4. 4.Which number is the odd one out: 89, 17, 31, 44? (a) 89 (b) 17 (c) 31 (d) 44
5. 5.Which number is the odd one out: 60, 20, 54, 76? (a) 60 (b) 20 (c) 54 (d) 76
6. 6.Which number is the odd one out: 73, 36, 71, 51? (a) 73 (b) 36 (c) 71 (d) 51
7. 7.Which number is the odd one out: 72, 54, 96, 67? (a) 72 (b) 54 (c) 96 (d) 67
8. 8.Which number is the odd one out: 6, 32, 96, 88? (a) 6 (b) 32 (c) 96 (d) 88
9. 9.Which number is the odd one out: 3, 66, 53, 43? (a) 3 (b) 66 (c) 53 (d) 43
10. 10.Which number is the odd one out: 20, 71, 43, 37? (a) 20 (b) 71 (c) 43 (d) 37
11. 11.Which number is the odd one out: 41, 69, 23, 67? (a) 41 (b) 69 (c) 23 (d) 67
12. 12.Which number is the odd one out: 59, 61, 5, 60? (a) 59 (b) 61 (c) 5 (d) 60
13. 13.Which number is the odd one out: 41, 76, 13, 83? (a) 41 (b) 76 (c) 13 (d) 83
14. 14.Which number is the odd one out: 83, 11, 74, 61? (a) 83 (b) 11 (c) 74 (d) 61
15. 15.Which number is the odd one out: 66, 18, 54, 8? (a) 66 (b) 18 (c) 54 (d) 8
16. 16.Which number is the odd one out: 64, 4, 16, 59? (a) 64 (b) 4 (c) 16 (d) 59
17. 17.Which number is the odd one out: 10, 42, 55, 65? (a) 10 (b) 42 (c) 55 (d) 65
18. 18.Which number is the odd one out: 41, 2, 4, 53? (a) 41 (b) 2 (c) 4 (d) 53
19. 19.Which number is the odd one out: 55, 95, 72, 27? (a) 55 (b) 95 (c) 72 (d) 27
20. 20.Which number is the odd one out: 64, 23, 79, 67? (a) 64 (b) 23 (c) 79 (d) 67
21. 21.Which number is the odd one out: 62, 89, 73, 37? (a) 62 (b) 89 (c) 73 (d) 37
22. 22.Which number is the odd one out: 47, 10, 5, 71? (a) 47 (b) 10 (c) 5 (d) 71
23. 23.Which number is the odd one out: 6, 23, 89, 41? (a) 6 (b) 23 (c) 89 (d) 41
24. 24.Which number is the odd one out: 85, 23, 89, 13? (a) 85 (b) 23 (c) 89 (d) 13
25. 25.Which number is the odd one out: 50, 40, 24, 48? (a) 50 (b) 40 (c) 24 (d) 48
26. 26.Which number is the odd one out: 9, 27, 81, 3? (a) 9 (b) 27 (c) 81 (d) 3
27. 27.Which number is the odd one out: 26, 24, 72, 18? (a) 26 (b) 24 (c) 72 (d) 18
28. 28.Which number is the odd one out: 25, 73, 89, 13? (a) 25 (b) 73 (c) 89 (d) 13
29. 29.Which number is the odd one out: 73, 17, 61, 32? (a) 73 (b) 17 (c) 61 (d) 32
30. 30.Which number is the odd one out: 54, 83, 47, 53? (a) 54 (b) 83 (c) 47 (d) 53
31. 31.Which number is the odd one out: 31, 79, 98, 59? (a) 31 (b) 79 (c) 98 (d) 59
32. 32.Which number is the odd one out: 11, 17, 61, 4? (a) 11 (b) 17 (c) 61 (d) 4
33. 33.Which number is the odd one out: 58, 53, 73, 83? (a) 58 (b) 53 (c) 73 (d) 83
34. 34.Which number is the odd one out: 93, 18, 53, 43? (a) 93 (b) 18 (c) 53 (d) 43
35. 35.Which number is the odd one out: 14, 77, 36, 21? (a) 14 (b) 77 (c) 36 (d) 21
36. 36.Which number is the odd one out: 47, 19, 94, 17? (a) 47 (b) 19 (c) 94 (d) 17
37. 37.Which number is the odd one out: 11, 41, 89, 54? (a) 11 (b) 41 (c) 89 (d) 54
38. 38.Which number is the odd one out: 61, 3, 71, 93? (a) 61 (b) 3 (c) 71 (d) 93
39. 39.Which number is the odd one out: 83, 17, 67, 93? (a) 83 (b) 17 (c) 67 (d) 93
40. 40.Which number is the odd one out: 13, 47, 79, 33? (a) 13 (b) 47 (c) 79 (d) 33

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