Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 676 · 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: 25, 5, 83, 37? (a) 25 (b) 5 (c) 83 (d) 37
2. 2.Which number is the odd one out: 96, 73, 31, 71? (a) 96 (b) 73 (c) 31 (d) 71
3. 3.Which number is the odd one out: 98, 18, 54, 35? (a) 98 (b) 18 (c) 54 (d) 35
4. 4.Which number is the odd one out: 41, 89, 88, 11? (a) 41 (b) 89 (c) 88 (d) 11
5. 5.Which number is the odd one out: 49, 63, 54, 18? (a) 49 (b) 63 (c) 54 (d) 18
6. 6.Which number is the odd one out: 29, 43, 17, 44? (a) 29 (b) 43 (c) 17 (d) 44
7. 7.Which number is the odd one out: 35, 70, 22, 65? (a) 35 (b) 70 (c) 22 (d) 65
8. 8.Which number is the odd one out: 89, 14, 47, 17? (a) 89 (b) 14 (c) 47 (d) 17
9. 9.Which number is the odd one out: 5, 48, 24, 52? (a) 5 (b) 48 (c) 24 (d) 52
10. 10.Which number is the odd one out: 79, 41, 37, 39? (a) 79 (b) 41 (c) 37 (d) 39
11. 11.Which number is the odd one out: 2, 47, 61, 90? (a) 2 (b) 47 (c) 61 (d) 90
12. 12.Which number is the odd one out: 54, 33, 18, 99? (a) 54 (b) 33 (c) 18 (d) 99
13. 13.Which number is the odd one out: 11, 67, 31, 68? (a) 11 (b) 67 (c) 31 (d) 68
14. 14.Which number is the odd one out: 55, 41, 10, 29? (a) 55 (b) 41 (c) 10 (d) 29
15. 15.Which number is the odd one out: 11, 92, 31, 13? (a) 11 (b) 92 (c) 31 (d) 13
16. 16.Which number is the odd one out: 50, 15, 98, 75? (a) 50 (b) 15 (c) 98 (d) 75
17. 17.Which number is the odd one out: 4, 64, 16, 86? (a) 4 (b) 64 (c) 16 (d) 86
18. 18.Which number is the odd one out: 67, 83, 26, 53? (a) 67 (b) 83 (c) 26 (d) 53
19. 19.Which number is the odd one out: 88, 64, 39, 16? (a) 88 (b) 64 (c) 39 (d) 16
20. 20.Which number is the odd one out: 11, 61, 16, 89? (a) 11 (b) 61 (c) 16 (d) 89
21. 21.Which number is the odd one out: 61, 60, 11, 71? (a) 61 (b) 60 (c) 11 (d) 71
22. 22.Which number is the odd one out: 34, 64, 8, 16? (a) 34 (b) 64 (c) 8 (d) 16
23. 23.Which number is the odd one out: 50, 3, 83, 33? (a) 50 (b) 3 (c) 83 (d) 33
24. 24.Which number is the odd one out: 33, 89, 11, 43? (a) 33 (b) 89 (c) 11 (d) 43
25. 25.Which number is the odd one out: 11, 90, 97, 73? (a) 11 (b) 90 (c) 97 (d) 73
26. 26.Which number is the odd one out: 18, 89, 83, 11? (a) 18 (b) 89 (c) 83 (d) 11
27. 27.Which number is the odd one out: 77, 98, 14, 33? (a) 77 (b) 98 (c) 14 (d) 33
28. 28.Which number is the odd one out: 32, 96, 23, 24? (a) 32 (b) 96 (c) 23 (d) 24
29. 29.Which number is the odd one out: 40, 39, 31, 3? (a) 40 (b) 39 (c) 31 (d) 3
30. 30.Which number is the odd one out: 21, 59, 41, 53? (a) 21 (b) 59 (c) 41 (d) 53
31. 31.Which number is the odd one out: 40, 20, 32, 8? (a) 40 (b) 20 (c) 32 (d) 8
32. 32.Which number is the odd one out: 42, 67, 53, 83? (a) 42 (b) 67 (c) 53 (d) 83
33. 33.Which number is the odd one out: 63, 36, 84, 9? (a) 63 (b) 36 (c) 84 (d) 9
34. 34.Which number is the odd one out: 23, 91, 59, 29? (a) 23 (b) 91 (c) 59 (d) 29
35. 35.Which number is the odd one out: 9, 80, 25, 81? (a) 9 (b) 80 (c) 25 (d) 81
36. 36.Which number is the odd one out: 6, 60, 40, 88? (a) 6 (b) 60 (c) 40 (d) 88
37. 37.Which number is the odd one out: 99, 63, 77, 22? (a) 99 (b) 63 (c) 77 (d) 22
38. 38.Which number is the odd one out: 5, 62, 55, 59? (a) 5 (b) 62 (c) 55 (d) 59
39. 39.Which number is the odd one out: 37, 46, 23, 53? (a) 37 (b) 46 (c) 23 (d) 53
40. 40.Which number is the odd one out: 62, 23, 93, 3? (a) 62 (b) 23 (c) 93 (d) 3

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