Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 15 · 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: 73, 28, 13, 61? (a) 73 (b) 28 (c) 13 (d) 61
2. 2.Which number is the odd one out: 71, 23, 72, 29? (a) 71 (b) 23 (c) 72 (d) 29
3. 3.Which number is the odd one out: 18, 65, 51, 54? (a) 18 (b) 65 (c) 51 (d) 54
4. 4.Which number is the odd one out: 11, 97, 10, 2? (a) 11 (b) 97 (c) 10 (d) 2
5. 5.Which number is the odd one out: 43, 47, 21, 11? (a) 43 (b) 47 (c) 21 (d) 11
6. 6.Which number is the odd one out: 10, 48, 96, 60? (a) 10 (b) 48 (c) 96 (d) 60
7. 7.Which number is the odd one out: 79, 83, 86, 29? (a) 79 (b) 83 (c) 86 (d) 29
8. 8.Which number is the odd one out: 5, 78, 6, 30? (a) 5 (b) 78 (c) 6 (d) 30
9. 9.Which number is the odd one out: 41, 31, 29, 93? (a) 41 (b) 31 (c) 29 (d) 93
10. 10.Which number is the odd one out: 71, 23, 87, 29? (a) 71 (b) 23 (c) 87 (d) 29
11. 11.Which number is the odd one out: 61, 83, 28, 89? (a) 61 (b) 83 (c) 28 (d) 89
12. 12.Which number is the odd one out: 15, 65, 97, 75? (a) 15 (b) 65 (c) 97 (d) 75
13. 13.Which number is the odd one out: 90, 18, 30, 8? (a) 90 (b) 18 (c) 30 (d) 8
14. 14.Which number is the odd one out: 18, 90, 80, 72? (a) 18 (b) 90 (c) 80 (d) 72
15. 15.Which number is the odd one out: 59, 76, 2, 19? (a) 59 (b) 76 (c) 2 (d) 19
16. 16.Which number is the odd one out: 67, 61, 32, 11? (a) 67 (b) 61 (c) 32 (d) 11
17. 17.Which number is the odd one out: 19, 2, 30, 31? (a) 19 (b) 2 (c) 30 (d) 31
18. 18.Which number is the odd one out: 36, 51, 61, 67? (a) 36 (b) 51 (c) 61 (d) 67
19. 19.Which number is the odd one out: 11, 77, 37, 41? (a) 11 (b) 77 (c) 37 (d) 41
20. 20.Which number is the odd one out: 47, 60, 17, 37? (a) 47 (b) 60 (c) 17 (d) 37
21. 21.Which number is the odd one out: 2, 20, 13, 17? (a) 2 (b) 20 (c) 13 (d) 17
22. 22.Which number is the odd one out: 36, 81, 99, 60? (a) 36 (b) 81 (c) 99 (d) 60
23. 23.Which number is the odd one out: 71, 72, 31, 73? (a) 71 (b) 72 (c) 31 (d) 73
24. 24.Which number is the odd one out: 89, 37, 76, 43? (a) 89 (b) 37 (c) 76 (d) 43
25. 25.Which number is the odd one out: 16, 2, 64, 47? (a) 16 (b) 2 (c) 64 (d) 47
26. 26.Which number is the odd one out: 89, 21, 17, 29? (a) 89 (b) 21 (c) 17 (d) 29
27. 27.Which number is the odd one out: 42, 37, 59, 89? (a) 42 (b) 37 (c) 59 (d) 89
28. 28.Which number is the odd one out: 65, 16, 25, 10? (a) 65 (b) 16 (c) 25 (d) 10
29. 29.Which number is the odd one out: 83, 29, 47, 4? (a) 83 (b) 29 (c) 47 (d) 4
30. 30.Which number is the odd one out: 37, 41, 61, 50? (a) 37 (b) 41 (c) 61 (d) 50
31. 31.Which number is the odd one out: 79, 83, 52, 67? (a) 79 (b) 83 (c) 52 (d) 67
32. 32.Which number is the odd one out: 47, 11, 45, 5? (a) 47 (b) 11 (c) 45 (d) 5
33. 33.Which number is the odd one out: 24, 12, 48, 37? (a) 24 (b) 12 (c) 48 (d) 37
34. 34.Which number is the odd one out: 89, 77, 7, 79? (a) 89 (b) 77 (c) 7 (d) 79
35. 35.Which number is the odd one out: 65, 96, 80, 75? (a) 65 (b) 96 (c) 80 (d) 75
36. 36.Which number is the odd one out: 52, 82, 92, 68? (a) 52 (b) 82 (c) 92 (d) 68
37. 37.Which number is the odd one out: 29, 30, 11, 2? (a) 29 (b) 30 (c) 11 (d) 2
38. 38.Which number is the odd one out: 72, 41, 71, 19? (a) 72 (b) 41 (c) 71 (d) 19
39. 39.Which number is the odd one out: 92, 29, 43, 13? (a) 92 (b) 29 (c) 43 (d) 13
40. 40.Which number is the odd one out: 95, 41, 71, 13? (a) 95 (b) 41 (c) 71 (d) 13

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