Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 493 · 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: 32, 16, 48, 36? (a) 32 (b) 16 (c) 48 (d) 36
2. 2.Which number is the odd one out: 40, 92, 90, 48? (a) 40 (b) 92 (c) 90 (d) 48
3. 3.Which number is the odd one out: 25, 64, 55, 16? (a) 25 (b) 64 (c) 55 (d) 16
4. 4.Which number is the odd one out: 19, 71, 31, 28? (a) 19 (b) 71 (c) 31 (d) 28
5. 5.Which number is the odd one out: 23, 98, 29, 73? (a) 23 (b) 98 (c) 29 (d) 73
6. 6.Which number is the odd one out: 28, 89, 67, 17? (a) 28 (b) 89 (c) 67 (d) 17
7. 7.Which number is the odd one out: 97, 66, 31, 59? (a) 97 (b) 66 (c) 31 (d) 59
8. 8.Which number is the odd one out: 56, 68, 88, 49? (a) 56 (b) 68 (c) 88 (d) 49
9. 9.Which number is the odd one out: 47, 89, 91, 67? (a) 47 (b) 89 (c) 91 (d) 67
10. 10.Which number is the odd one out: 16, 46, 8, 25? (a) 16 (b) 46 (c) 8 (d) 25
11. 11.Which number is the odd one out: 97, 50, 43, 13? (a) 97 (b) 50 (c) 43 (d) 13
12. 12.Which number is the odd one out: 20, 28, 14, 98? (a) 20 (b) 28 (c) 14 (d) 98
13. 13.Which number is the odd one out: 47, 83, 29, 25? (a) 47 (b) 83 (c) 29 (d) 25
14. 14.Which number is the odd one out: 11, 7, 56, 13? (a) 11 (b) 7 (c) 56 (d) 13
15. 15.Which number is the odd one out: 96, 53, 3, 97? (a) 96 (b) 53 (c) 3 (d) 97
16. 16.Which number is the odd one out: 42, 89, 67, 83? (a) 42 (b) 89 (c) 67 (d) 83
17. 17.Which number is the odd one out: 6, 96, 72, 27? (a) 6 (b) 96 (c) 72 (d) 27
18. 18.Which number is the odd one out: 6, 71, 79, 2? (a) 6 (b) 71 (c) 79 (d) 2
19. 19.Which number is the odd one out: 53, 92, 97, 67? (a) 53 (b) 92 (c) 97 (d) 67
20. 20.Which number is the odd one out: 18, 45, 90, 47? (a) 18 (b) 45 (c) 90 (d) 47
21. 21.Which number is the odd one out: 53, 17, 13, 18? (a) 53 (b) 17 (c) 13 (d) 18
22. 22.Which number is the odd one out: 89, 47, 80, 17? (a) 89 (b) 47 (c) 80 (d) 17
23. 23.Which number is the odd one out: 59, 43, 62, 31? (a) 59 (b) 43 (c) 62 (d) 31
24. 24.Which number is the odd one out: 7, 23, 63, 97? (a) 7 (b) 23 (c) 63 (d) 97
25. 25.Which number is the odd one out: 83, 6, 31, 29? (a) 83 (b) 6 (c) 31 (d) 29
26. 26.Which number is the odd one out: 53, 11, 93, 71? (a) 53 (b) 11 (c) 93 (d) 71
27. 27.Which number is the odd one out: 87, 17, 43, 61? (a) 87 (b) 17 (c) 43 (d) 61
28. 28.Which number is the odd one out: 97, 61, 28, 2? (a) 97 (b) 61 (c) 28 (d) 2
29. 29.Which number is the odd one out: 96, 24, 72, 27? (a) 96 (b) 24 (c) 72 (d) 27
30. 30.Which number is the odd one out: 13, 89, 35, 79? (a) 13 (b) 89 (c) 35 (d) 79
31. 31.Which number is the odd one out: 2, 29, 11, 58? (a) 2 (b) 29 (c) 11 (d) 58
32. 32.Which number is the odd one out: 80, 18, 12, 54? (a) 80 (b) 18 (c) 12 (d) 54
33. 33.Which number is the odd one out: 23, 29, 13, 81? (a) 23 (b) 29 (c) 13 (d) 81
34. 34.Which number is the odd one out: 3, 54, 97, 31? (a) 3 (b) 54 (c) 97 (d) 31
35. 35.Which number is the odd one out: 54, 64, 90, 60? (a) 54 (b) 64 (c) 90 (d) 60
36. 36.Which number is the odd one out: 61, 19, 94, 59? (a) 61 (b) 19 (c) 94 (d) 59
37. 37.Which number is the odd one out: 11, 59, 79, 12? (a) 11 (b) 59 (c) 79 (d) 12
38. 38.Which number is the odd one out: 32, 88, 8, 99? (a) 32 (b) 88 (c) 8 (d) 99
39. 39.Which number is the odd one out: 30, 97, 43, 79? (a) 30 (b) 97 (c) 43 (d) 79
40. 40.Which number is the odd one out: 45, 97, 43, 83? (a) 45 (b) 97 (c) 43 (d) 83

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