Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 561 · 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: 47, 29, 17, 63? (a) 47 (b) 29 (c) 17 (d) 63
2. 2.Which number is the odd one out: 3, 75, 13, 61? (a) 3 (b) 75 (c) 13 (d) 61
3. 3.Which number is the odd one out: 90, 97, 83, 37? (a) 90 (b) 97 (c) 83 (d) 37
4. 4.Which number is the odd one out: 71, 65, 83, 19? (a) 71 (b) 65 (c) 83 (d) 19
5. 5.Which number is the odd one out: 61, 47, 28, 17? (a) 61 (b) 47 (c) 28 (d) 17
6. 6.Which number is the odd one out: 41, 65, 97, 89? (a) 41 (b) 65 (c) 97 (d) 89
7. 7.Which number is the odd one out: 16, 83, 89, 19? (a) 16 (b) 83 (c) 89 (d) 19
8. 8.Which number is the odd one out: 37, 89, 19, 24? (a) 37 (b) 89 (c) 19 (d) 24
9. 9.Which number is the odd one out: 13, 41, 73, 91? (a) 13 (b) 41 (c) 73 (d) 91
10. 10.Which number is the odd one out: 14, 11, 7, 59? (a) 14 (b) 11 (c) 7 (d) 59
11. 11.Which number is the odd one out: 61, 76, 19, 59? (a) 61 (b) 76 (c) 19 (d) 59
12. 12.Which number is the odd one out: 88, 89, 43, 97? (a) 88 (b) 89 (c) 43 (d) 97
13. 13.Which number is the odd one out: 59, 13, 7, 98? (a) 59 (b) 13 (c) 7 (d) 98
14. 14.Which number is the odd one out: 72, 3, 59, 67? (a) 72 (b) 3 (c) 59 (d) 67
15. 15.Which number is the odd one out: 13, 12, 97, 31? (a) 13 (b) 12 (c) 97 (d) 31
16. 16.Which number is the odd one out: 80, 9, 81, 27? (a) 80 (b) 9 (c) 81 (d) 27
17. 17.Which number is the odd one out: 9, 27, 44, 81? (a) 9 (b) 27 (c) 44 (d) 81
18. 18.Which number is the odd one out: 89, 62, 83, 73? (a) 89 (b) 62 (c) 83 (d) 73
19. 19.Which number is the odd one out: 64, 16, 4, 86? (a) 64 (b) 16 (c) 4 (d) 86
20. 20.Which number is the odd one out: 11, 2, 26, 67? (a) 11 (b) 2 (c) 26 (d) 67
21. 21.Which number is the odd one out: 14, 47, 59, 67? (a) 14 (b) 47 (c) 59 (d) 67
22. 22.Which number is the odd one out: 24, 84, 50, 56? (a) 24 (b) 84 (c) 50 (d) 56
23. 23.Which number is the odd one out: 85, 10, 23, 97? (a) 85 (b) 10 (c) 23 (d) 97
24. 24.Which number is the odd one out: 28, 47, 19, 11? (a) 28 (b) 47 (c) 19 (d) 11
25. 25.Which number is the odd one out: 83, 17, 43, 28? (a) 83 (b) 17 (c) 43 (d) 28
26. 26.Which number is the odd one out: 14, 96, 98, 56? (a) 14 (b) 96 (c) 98 (d) 56
27. 27.Which number is the odd one out: 14, 98, 53, 7? (a) 14 (b) 98 (c) 53 (d) 7
28. 28.Which number is the odd one out: 6, 79, 67, 2? (a) 6 (b) 79 (c) 67 (d) 2
29. 29.Which number is the odd one out: 69, 97, 36, 47? (a) 69 (b) 97 (c) 36 (d) 47
30. 30.Which number is the odd one out: 14, 34, 98, 23? (a) 14 (b) 34 (c) 98 (d) 23
31. 31.Which number is the odd one out: 12, 31, 29, 53? (a) 12 (b) 31 (c) 29 (d) 53
32. 32.Which number is the odd one out: 13, 23, 83, 27? (a) 13 (b) 23 (c) 83 (d) 27
33. 33.Which number is the odd one out: 71, 53, 96, 23? (a) 71 (b) 53 (c) 96 (d) 23
34. 34.Which number is the odd one out: 27, 17, 13, 71? (a) 27 (b) 17 (c) 13 (d) 71
35. 35.Which number is the odd one out: 16, 64, 74, 67? (a) 16 (b) 64 (c) 74 (d) 67
36. 36.Which number is the odd one out: 11, 31, 79, 42? (a) 11 (b) 31 (c) 79 (d) 42
37. 37.Which number is the odd one out: 97, 83, 54, 19? (a) 97 (b) 83 (c) 54 (d) 19
38. 38.Which number is the odd one out: 41, 26, 53, 59? (a) 41 (b) 26 (c) 53 (d) 59
39. 39.Which number is the odd one out: 54, 97, 53, 17? (a) 54 (b) 97 (c) 53 (d) 17
40. 40.Which number is the odd one out: 69, 43, 61, 19? (a) 69 (b) 43 (c) 61 (d) 19

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