Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 5 · 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: 85, 13, 31, 11? (a) 85 (b) 13 (c) 31 (d) 11
2. 2.Which number is the odd one out: 42, 84, 97, 28? (a) 42 (b) 84 (c) 97 (d) 28
3. 3.Which number is the odd one out: 35, 70, 94, 77? (a) 35 (b) 70 (c) 94 (d) 77
4. 4.Which number is the odd one out: 31, 71, 61, 30? (a) 31 (b) 71 (c) 61 (d) 30
5. 5.Which number is the odd one out: 36, 64, 32, 72? (a) 36 (b) 64 (c) 32 (d) 72
6. 6.Which number is the odd one out: 95, 17, 31, 5? (a) 95 (b) 17 (c) 31 (d) 5
7. 7.Which number is the odd one out: 64, 16, 4, 28? (a) 64 (b) 16 (c) 4 (d) 28
8. 8.Which number is the odd one out: 43, 17, 2, 37? (a) 43 (b) 17 (c) 2 (d) 37
9. 9.Which number is the odd one out: 73, 14, 13, 2? (a) 73 (b) 14 (c) 13 (d) 2
10. 10.Which number is the odd one out: 43, 37, 14, 31? (a) 43 (b) 37 (c) 14 (d) 31
11. 11.Which number is the odd one out: 32, 96, 24, 28? (a) 32 (b) 96 (c) 24 (d) 28
12. 12.Which number is the odd one out: 24, 29, 73, 47? (a) 24 (b) 29 (c) 73 (d) 47
13. 13.Which number is the odd one out: 19, 11, 3, 6? (a) 19 (b) 11 (c) 3 (d) 6
14. 14.Which number is the odd one out: 96, 6, 55, 24? (a) 96 (b) 6 (c) 55 (d) 24
15. 15.Which number is the odd one out: 63, 67, 61, 17? (a) 63 (b) 67 (c) 61 (d) 17
16. 16.Which number is the odd one out: 27, 81, 83, 9? (a) 27 (b) 81 (c) 83 (d) 9
17. 17.Which number is the odd one out: 18, 79, 45, 90? (a) 18 (b) 79 (c) 45 (d) 90
18. 18.Which number is the odd one out: 37, 59, 3, 84? (a) 37 (b) 59 (c) 3 (d) 84
19. 19.Which number is the odd one out: 93, 3, 29, 57? (a) 93 (b) 3 (c) 29 (d) 57
20. 20.Which number is the odd one out: 98, 42, 14, 48? (a) 98 (b) 42 (c) 14 (d) 48
21. 21.Which number is the odd one out: 33, 13, 23, 6? (a) 33 (b) 13 (c) 23 (d) 6
22. 22.Which number is the odd one out: 47, 11, 86, 79? (a) 47 (b) 11 (c) 86 (d) 79
23. 23.Which number is the odd one out: 33, 64, 32, 16? (a) 33 (b) 64 (c) 32 (d) 16
24. 24.Which number is the odd one out: 29, 59, 41, 56? (a) 29 (b) 59 (c) 41 (d) 56
25. 25.Which number is the odd one out: 18, 79, 72, 96? (a) 18 (b) 79 (c) 72 (d) 96
26. 26.Which number is the odd one out: 56, 97, 89, 47? (a) 56 (b) 97 (c) 89 (d) 47
27. 27.Which number is the odd one out: 3, 84, 61, 31? (a) 3 (b) 84 (c) 61 (d) 31
28. 28.Which number is the odd one out: 71, 50, 29, 97? (a) 71 (b) 50 (c) 29 (d) 97
29. 29.Which number is the odd one out: 83, 76, 53, 29? (a) 83 (b) 76 (c) 53 (d) 29
30. 30.Which number is the odd one out: 76, 7, 92, 28? (a) 76 (b) 7 (c) 92 (d) 28
31. 31.Which number is the odd one out: 19, 88, 59, 2? (a) 19 (b) 88 (c) 59 (d) 2
32. 32.Which number is the odd one out: 43, 79, 83, 18? (a) 43 (b) 79 (c) 83 (d) 18
33. 33.Which number is the odd one out: 37, 54, 45, 90? (a) 37 (b) 54 (c) 45 (d) 90
34. 34.Which number is the odd one out: 43, 94, 83, 23? (a) 43 (b) 94 (c) 83 (d) 23
35. 35.Which number is the odd one out: 16, 45, 64, 80? (a) 16 (b) 45 (c) 64 (d) 80
36. 36.Which number is the odd one out: 13, 28, 71, 31? (a) 13 (b) 28 (c) 71 (d) 31
37. 37.Which number is the odd one out: 30, 99, 90, 27? (a) 30 (b) 99 (c) 90 (d) 27
38. 38.Which number is the odd one out: 89, 23, 35, 79? (a) 89 (b) 23 (c) 35 (d) 79
39. 39.Which number is the odd one out: 83, 2, 24, 89? (a) 83 (b) 2 (c) 24 (d) 89
40. 40.Which number is the odd one out: 90, 54, 45, 73? (a) 90 (b) 54 (c) 45 (d) 73

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