Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 377 · 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: 61, 53, 29, 66? (a) 61 (b) 53 (c) 29 (d) 66
2. 2.Which number is the odd one out: 41, 83, 93, 97? (a) 41 (b) 83 (c) 93 (d) 97
3. 3.Which number is the odd one out: 41, 13, 2, 92? (a) 41 (b) 13 (c) 2 (d) 92
4. 4.Which number is the odd one out: 90, 83, 43, 11? (a) 90 (b) 83 (c) 43 (d) 11
5. 5.Which number is the odd one out: 47, 22, 79, 59? (a) 47 (b) 22 (c) 79 (d) 59
6. 6.Which number is the odd one out: 23, 73, 93, 53? (a) 23 (b) 73 (c) 93 (d) 53
7. 7.Which number is the odd one out: 89, 25, 59, 97? (a) 89 (b) 25 (c) 59 (d) 97
8. 8.Which number is the odd one out: 61, 16, 32, 4? (a) 61 (b) 16 (c) 32 (d) 4
9. 9.Which number is the odd one out: 77, 80, 35, 14? (a) 77 (b) 80 (c) 35 (d) 14
10. 10.Which number is the odd one out: 31, 42, 53, 47? (a) 31 (b) 42 (c) 53 (d) 47
11. 11.Which number is the odd one out: 55, 19, 47, 79? (a) 55 (b) 19 (c) 47 (d) 79
12. 12.Which number is the odd one out: 79, 32, 59, 11? (a) 79 (b) 32 (c) 59 (d) 11
13. 13.Which number is the odd one out: 41, 19, 6, 59? (a) 41 (b) 19 (c) 6 (d) 59
14. 14.Which number is the odd one out: 40, 64, 55, 16? (a) 40 (b) 64 (c) 55 (d) 16
15. 15.Which number is the odd one out: 7, 97, 11, 91? (a) 7 (b) 97 (c) 11 (d) 91
16. 16.Which number is the odd one out: 57, 31, 11, 67? (a) 57 (b) 31 (c) 11 (d) 67
17. 17.Which number is the odd one out: 61, 3, 41, 93? (a) 61 (b) 3 (c) 41 (d) 93
18. 18.Which number is the odd one out: 29, 66, 13, 37? (a) 29 (b) 66 (c) 13 (d) 37
19. 19.Which number is the odd one out: 4, 40, 16, 80? (a) 4 (b) 40 (c) 16 (d) 80
20. 20.Which number is the odd one out: 4, 16, 64, 28? (a) 4 (b) 16 (c) 64 (d) 28
21. 21.Which number is the odd one out: 81, 20, 27, 9? (a) 81 (b) 20 (c) 27 (d) 9
22. 22.Which number is the odd one out: 88, 32, 16, 9? (a) 88 (b) 32 (c) 16 (d) 9
23. 23.Which number is the odd one out: 4, 16, 11, 64? (a) 4 (b) 16 (c) 11 (d) 64
24. 24.Which number is the odd one out: 88, 12, 96, 13? (a) 88 (b) 12 (c) 96 (d) 13
25. 25.Which number is the odd one out: 91, 21, 48, 28? (a) 91 (b) 21 (c) 48 (d) 28
26. 26.Which number is the odd one out: 70, 49, 9, 81? (a) 70 (b) 49 (c) 9 (d) 81
27. 27.Which number is the odd one out: 29, 17, 13, 10? (a) 29 (b) 17 (c) 13 (d) 10
28. 28.Which number is the odd one out: 82, 41, 73, 2? (a) 82 (b) 41 (c) 73 (d) 2
29. 29.Which number is the odd one out: 83, 67, 11, 9? (a) 83 (b) 67 (c) 11 (d) 9
30. 30.Which number is the odd one out: 33, 3, 50, 5? (a) 33 (b) 3 (c) 50 (d) 5
31. 31.Which number is the odd one out: 81, 53, 17, 19? (a) 81 (b) 53 (c) 17 (d) 19
32. 32.Which number is the odd one out: 97, 75, 41, 37? (a) 97 (b) 75 (c) 41 (d) 37
33. 33.Which number is the odd one out: 13, 83, 67, 80? (a) 13 (b) 83 (c) 67 (d) 80
34. 34.Which number is the odd one out: 57, 83, 47, 3? (a) 57 (b) 83 (c) 47 (d) 3
35. 35.Which number is the odd one out: 89, 90, 31, 85? (a) 89 (b) 90 (c) 31 (d) 85
36. 36.Which number is the odd one out: 15, 75, 37, 5? (a) 15 (b) 75 (c) 37 (d) 5
37. 37.Which number is the odd one out: 55, 95, 23, 65? (a) 55 (b) 95 (c) 23 (d) 65
38. 38.Which number is the odd one out: 97, 61, 40, 79? (a) 97 (b) 61 (c) 40 (d) 79
39. 39.Which number is the odd one out: 78, 55, 74, 30? (a) 78 (b) 55 (c) 74 (d) 30
40. 40.Which number is the odd one out: 53, 59, 19, 85? (a) 53 (b) 59 (c) 19 (d) 85

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