Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 249 · 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: 36, 79, 41, 17? (a) 36 (b) 79 (c) 41 (d) 17
2. 2.Which number is the odd one out: 24, 19, 3, 97? (a) 24 (b) 19 (c) 3 (d) 97
3. 3.Which number is the odd one out: 61, 2, 89, 32? (a) 61 (b) 2 (c) 89 (d) 32
4. 4.Which number is the odd one out: 20, 97, 73, 67? (a) 20 (b) 97 (c) 73 (d) 67
5. 5.Which number is the odd one out: 53, 31, 61, 27? (a) 53 (b) 31 (c) 61 (d) 27
6. 6.Which number is the odd one out: 92, 40, 45, 88? (a) 92 (b) 40 (c) 45 (d) 88
7. 7.Which number is the odd one out: 48, 24, 5, 12? (a) 48 (b) 24 (c) 5 (d) 12
8. 8.Which number is the odd one out: 17, 29, 72, 89? (a) 17 (b) 29 (c) 72 (d) 89
9. 9.Which number is the odd one out: 31, 24, 79, 67? (a) 31 (b) 24 (c) 79 (d) 67
10. 10.Which number is the odd one out: 41, 59, 83, 8? (a) 41 (b) 59 (c) 83 (d) 8
11. 11.Which number is the odd one out: 43, 56, 89, 17? (a) 43 (b) 56 (c) 89 (d) 17
12. 12.Which number is the odd one out: 71, 13, 92, 43? (a) 71 (b) 13 (c) 92 (d) 43
13. 13.Which number is the odd one out: 71, 13, 78, 3? (a) 71 (b) 13 (c) 78 (d) 3
14. 14.Which number is the odd one out: 37, 5, 31, 20? (a) 37 (b) 5 (c) 31 (d) 20
15. 15.Which number is the odd one out: 83, 47, 71, 78? (a) 83 (b) 47 (c) 71 (d) 78
16. 16.Which number is the odd one out: 95, 19, 61, 37? (a) 95 (b) 19 (c) 61 (d) 37
17. 17.Which number is the odd one out: 89, 19, 37, 91? (a) 89 (b) 19 (c) 37 (d) 91
18. 18.Which number is the odd one out: 25, 44, 4, 52? (a) 25 (b) 44 (c) 4 (d) 52
19. 19.Which number is the odd one out: 67, 17, 71, 63? (a) 67 (b) 17 (c) 71 (d) 63
20. 20.Which number is the odd one out: 13, 65, 17, 20? (a) 13 (b) 65 (c) 17 (d) 20
21. 21.Which number is the odd one out: 93, 69, 86, 51? (a) 93 (b) 69 (c) 86 (d) 51
22. 22.Which number is the odd one out: 48, 51, 43, 73? (a) 48 (b) 51 (c) 43 (d) 73
23. 23.Which number is the odd one out: 83, 66, 18, 99? (a) 83 (b) 66 (c) 18 (d) 99
24. 24.Which number is the odd one out: 55, 16, 64, 8? (a) 55 (b) 16 (c) 64 (d) 8
25. 25.Which number is the odd one out: 28, 23, 29, 89? (a) 28 (b) 23 (c) 29 (d) 89
26. 26.Which number is the odd one out: 19, 11, 41, 48? (a) 19 (b) 11 (c) 41 (d) 48
27. 27.Which number is the odd one out: 97, 56, 71, 2? (a) 97 (b) 56 (c) 71 (d) 2
28. 28.Which number is the odd one out: 85, 81, 25, 95? (a) 85 (b) 81 (c) 25 (d) 95
29. 29.Which number is the odd one out: 85, 10, 67, 11? (a) 85 (b) 10 (c) 67 (d) 11
30. 30.Which number is the odd one out: 11, 31, 30, 47? (a) 11 (b) 31 (c) 30 (d) 47
31. 31.Which number is the odd one out: 47, 29, 58, 73? (a) 47 (b) 29 (c) 58 (d) 73
32. 32.Which number is the odd one out: 97, 43, 78, 71? (a) 97 (b) 43 (c) 78 (d) 71
33. 33.Which number is the odd one out: 97, 23, 3, 33? (a) 97 (b) 23 (c) 3 (d) 33
34. 34.Which number is the odd one out: 53, 2, 78, 11? (a) 53 (b) 2 (c) 78 (d) 11
35. 35.Which number is the odd one out: 83, 68, 37, 31? (a) 83 (b) 68 (c) 37 (d) 31
36. 36.Which number is the odd one out: 67, 17, 97, 32? (a) 67 (b) 17 (c) 97 (d) 32
37. 37.Which number is the odd one out: 88, 96, 24, 35? (a) 88 (b) 96 (c) 24 (d) 35
38. 38.Which number is the odd one out: 57, 13, 32, 3? (a) 57 (b) 13 (c) 32 (d) 3
39. 39.Which number is the odd one out: 32, 88, 42, 96? (a) 32 (b) 88 (c) 42 (d) 96
40. 40.Which number is the odd one out: 60, 12, 67, 30? (a) 60 (b) 12 (c) 67 (d) 30

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