Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 623 · 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: 6, 24, 96, 26? (a) 6 (b) 24 (c) 96 (d) 26
2. 2.Which number is the odd one out: 99, 73, 13, 23? (a) 99 (b) 73 (c) 13 (d) 23
3. 3.Which number is the odd one out: 97, 42, 37, 13? (a) 97 (b) 42 (c) 37 (d) 13
4. 4.Which number is the odd one out: 12, 71, 57, 89? (a) 12 (b) 71 (c) 57 (d) 89
5. 5.Which number is the odd one out: 81, 64, 9, 56? (a) 81 (b) 64 (c) 9 (d) 56
6. 6.Which number is the odd one out: 31, 37, 13, 16? (a) 31 (b) 37 (c) 13 (d) 16
7. 7.Which number is the odd one out: 59, 5, 50, 19? (a) 59 (b) 5 (c) 50 (d) 19
8. 8.Which number is the odd one out: 89, 73, 76, 13? (a) 89 (b) 73 (c) 76 (d) 13
9. 9.Which number is the odd one out: 97, 23, 79, 20? (a) 97 (b) 23 (c) 79 (d) 20
10. 10.Which number is the odd one out: 89, 23, 76, 37? (a) 89 (b) 23 (c) 76 (d) 37
11. 11.Which number is the odd one out: 43, 50, 2, 17? (a) 43 (b) 50 (c) 2 (d) 17
12. 12.Which number is the odd one out: 67, 93, 79, 89? (a) 67 (b) 93 (c) 79 (d) 89
13. 13.Which number is the odd one out: 97, 17, 31, 30? (a) 97 (b) 17 (c) 31 (d) 30
14. 14.Which number is the odd one out: 5, 8, 40, 88? (a) 5 (b) 8 (c) 40 (d) 88
15. 15.Which number is the odd one out: 20, 15, 36, 65? (a) 20 (b) 15 (c) 36 (d) 65
16. 16.Which number is the odd one out: 98, 49, 9, 81? (a) 98 (b) 49 (c) 9 (d) 81
17. 17.Which number is the odd one out: 61, 41, 75, 13? (a) 61 (b) 41 (c) 75 (d) 13
18. 18.Which number is the odd one out: 94, 62, 46, 87? (a) 94 (b) 62 (c) 46 (d) 87
19. 19.Which number is the odd one out: 15, 67, 75, 65? (a) 15 (b) 67 (c) 75 (d) 65
20. 20.Which number is the odd one out: 99, 27, 39, 94? (a) 99 (b) 27 (c) 39 (d) 94
21. 21.Which number is the odd one out: 22, 23, 11, 67? (a) 22 (b) 23 (c) 11 (d) 67
22. 22.Which number is the odd one out: 83, 66, 29, 59? (a) 83 (b) 66 (c) 29 (d) 59
23. 23.Which number is the odd one out: 43, 64, 17, 37? (a) 43 (b) 64 (c) 17 (d) 37
24. 24.Which number is the odd one out: 90, 40, 32, 24? (a) 90 (b) 40 (c) 32 (d) 24
25. 25.Which number is the odd one out: 55, 95, 69, 15? (a) 55 (b) 95 (c) 69 (d) 15
26. 26.Which number is the odd one out: 49, 31, 59, 43? (a) 49 (b) 31 (c) 59 (d) 43
27. 27.Which number is the odd one out: 13, 67, 55, 79? (a) 13 (b) 67 (c) 55 (d) 79
28. 28.Which number is the odd one out: 5, 43, 89, 40? (a) 5 (b) 43 (c) 89 (d) 40
29. 29.Which number is the odd one out: 53, 17, 4, 2? (a) 53 (b) 17 (c) 4 (d) 2
30. 30.Which number is the odd one out: 5, 30, 2, 61? (a) 5 (b) 30 (c) 2 (d) 61
31. 31.Which number is the odd one out: 83, 40, 5, 61? (a) 83 (b) 40 (c) 5 (d) 61
32. 32.Which number is the odd one out: 67, 97, 14, 59? (a) 67 (b) 97 (c) 14 (d) 59
33. 33.Which number is the odd one out: 97, 74, 19, 37? (a) 97 (b) 74 (c) 19 (d) 37
34. 34.Which number is the odd one out: 49, 18, 54, 99? (a) 49 (b) 18 (c) 54 (d) 99
35. 35.Which number is the odd one out: 81, 99, 64, 16? (a) 81 (b) 99 (c) 64 (d) 16
36. 36.Which number is the odd one out: 89, 61, 29, 55? (a) 89 (b) 61 (c) 29 (d) 55
37. 37.Which number is the odd one out: 48, 24, 96, 70? (a) 48 (b) 24 (c) 96 (d) 70
38. 38.Which number is the odd one out: 21, 67, 31, 89? (a) 21 (b) 67 (c) 31 (d) 89
39. 39.Which number is the odd one out: 47, 94, 67, 37? (a) 47 (b) 94 (c) 67 (d) 37
40. 40.Which number is the odd one out: 83, 11, 47, 26? (a) 83 (b) 11 (c) 47 (d) 26

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