Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 976 · 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: 5, 20, 89, 11? (a) 5 (b) 20 (c) 89 (d) 11
2. 2.Which number is the odd one out: 67, 41, 34, 37? (a) 67 (b) 41 (c) 34 (d) 37
3. 3.Which number is the odd one out: 19, 41, 67, 58? (a) 19 (b) 41 (c) 67 (d) 58
4. 4.Which number is the odd one out: 29, 84, 5, 15? (a) 29 (b) 84 (c) 5 (d) 15
5. 5.Which number is the odd one out: 43, 17, 30, 3? (a) 43 (b) 17 (c) 30 (d) 3
6. 6.Which number is the odd one out: 2, 69, 5, 15? (a) 2 (b) 69 (c) 5 (d) 15
7. 7.Which number is the odd one out: 43, 71, 98, 41? (a) 43 (b) 71 (c) 98 (d) 41
8. 8.Which number is the odd one out: 70, 84, 30, 28? (a) 70 (b) 84 (c) 30 (d) 28
9. 9.Which number is the odd one out: 43, 31, 23, 32? (a) 43 (b) 31 (c) 23 (d) 32
10. 10.Which number is the odd one out: 75, 59, 23, 5? (a) 75 (b) 59 (c) 23 (d) 5
11. 11.Which number is the odd one out: 25, 89, 17, 61? (a) 25 (b) 89 (c) 17 (d) 61
12. 12.Which number is the odd one out: 10, 23, 35, 70? (a) 10 (b) 23 (c) 35 (d) 70
13. 13.Which number is the odd one out: 53, 67, 29, 96? (a) 53 (b) 67 (c) 29 (d) 96
14. 14.Which number is the odd one out: 48, 12, 40, 80? (a) 48 (b) 12 (c) 40 (d) 80
15. 15.Which number is the odd one out: 94, 4, 68, 9? (a) 94 (b) 4 (c) 68 (d) 9
16. 16.Which number is the odd one out: 9, 29, 73, 13? (a) 9 (b) 29 (c) 73 (d) 13
17. 17.Which number is the odd one out: 73, 86, 23, 71? (a) 73 (b) 86 (c) 23 (d) 71
18. 18.Which number is the odd one out: 67, 3, 63, 11? (a) 67 (b) 3 (c) 63 (d) 11
19. 19.Which number is the odd one out: 19, 53, 3, 90? (a) 19 (b) 53 (c) 3 (d) 90
20. 20.Which number is the odd one out: 89, 97, 90, 73? (a) 89 (b) 97 (c) 90 (d) 73
21. 21.Which number is the odd one out: 30, 49, 90, 18? (a) 30 (b) 49 (c) 90 (d) 18
22. 22.Which number is the odd one out: 8, 88, 50, 20? (a) 8 (b) 88 (c) 50 (d) 20
23. 23.Which number is the odd one out: 27, 54, 73, 66? (a) 27 (b) 54 (c) 73 (d) 66
24. 24.Which number is the odd one out: 11, 89, 47, 16? (a) 11 (b) 89 (c) 47 (d) 16
25. 25.Which number is the odd one out: 72, 43, 41, 23? (a) 72 (b) 43 (c) 41 (d) 23
26. 26.Which number is the odd one out: 54, 9, 81, 12? (a) 54 (b) 9 (c) 81 (d) 12
27. 27.Which number is the odd one out: 80, 92, 40, 32? (a) 80 (b) 92 (c) 40 (d) 32
28. 28.Which number is the odd one out: 71, 67, 55, 5? (a) 71 (b) 67 (c) 55 (d) 5
29. 29.Which number is the odd one out: 23, 53, 13, 6? (a) 23 (b) 53 (c) 13 (d) 6
30. 30.Which number is the odd one out: 61, 93, 41, 37? (a) 61 (b) 93 (c) 41 (d) 37
31. 31.Which number is the odd one out: 79, 91, 42, 83? (a) 79 (b) 91 (c) 42 (d) 83
32. 32.Which number is the odd one out: 67, 71, 59, 56? (a) 67 (b) 71 (c) 59 (d) 56
33. 33.Which number is the odd one out: 24, 48, 88, 68? (a) 24 (b) 48 (c) 88 (d) 68
34. 34.Which number is the odd one out: 5, 35, 89, 67? (a) 5 (b) 35 (c) 89 (d) 67
35. 35.Which number is the odd one out: 31, 11, 19, 55? (a) 31 (b) 11 (c) 19 (d) 55
36. 36.Which number is the odd one out: 14, 31, 7, 83? (a) 14 (b) 31 (c) 7 (d) 83
37. 37.Which number is the odd one out: 88, 8, 48, 90? (a) 88 (b) 8 (c) 48 (d) 90
38. 38.Which number is the odd one out: 53, 13, 11, 95? (a) 53 (b) 13 (c) 11 (d) 95
39. 39.Which number is the odd one out: 6, 67, 97, 79? (a) 6 (b) 67 (c) 97 (d) 79
40. 40.Which number is the odd one out: 81, 87, 9, 97? (a) 81 (b) 87 (c) 9 (d) 97

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