Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 750 · 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: 66, 61, 23, 59? (a) 66 (b) 61 (c) 23 (d) 59
2. 2.Which number is the odd one out: 19, 11, 23, 10? (a) 19 (b) 11 (c) 23 (d) 10
3. 3.Which number is the odd one out: 73, 54, 2, 13? (a) 73 (b) 54 (c) 2 (d) 13
4. 4.Which number is the odd one out: 66, 17, 29, 59? (a) 66 (b) 17 (c) 29 (d) 59
5. 5.Which number is the odd one out: 48, 93, 61, 24? (a) 48 (b) 93 (c) 61 (d) 24
6. 6.Which number is the odd one out: 83, 73, 79, 81? (a) 83 (b) 73 (c) 79 (d) 81
7. 7.Which number is the odd one out: 30, 10, 6, 29? (a) 30 (b) 10 (c) 6 (d) 29
8. 8.Which number is the odd one out: 53, 73, 30, 89? (a) 53 (b) 73 (c) 30 (d) 89
9. 9.Which number is the odd one out: 79, 13, 46, 19? (a) 79 (b) 13 (c) 46 (d) 19
10. 10.Which number is the odd one out: 83, 17, 64, 79? (a) 83 (b) 17 (c) 64 (d) 79
11. 11.Which number is the odd one out: 12, 59, 89, 67? (a) 12 (b) 59 (c) 89 (d) 67
12. 12.Which number is the odd one out: 53, 91, 42, 59? (a) 53 (b) 91 (c) 42 (d) 59
13. 13.Which number is the odd one out: 65, 13, 30, 47? (a) 65 (b) 13 (c) 30 (d) 47
14. 14.Which number is the odd one out: 65, 19, 11, 47? (a) 65 (b) 19 (c) 11 (d) 47
15. 15.Which number is the odd one out: 90, 89, 83, 2? (a) 90 (b) 89 (c) 83 (d) 2
16. 16.Which number is the odd one out: 32, 70, 8, 56? (a) 32 (b) 70 (c) 8 (d) 56
17. 17.Which number is the odd one out: 48, 24, 77, 96? (a) 48 (b) 24 (c) 77 (d) 96
18. 18.Which number is the odd one out: 5, 41, 13, 15? (a) 5 (b) 41 (c) 13 (d) 15
19. 19.Which number is the odd one out: 47, 13, 41, 56? (a) 47 (b) 13 (c) 41 (d) 56
20. 20.Which number is the odd one out: 41, 26, 33, 3? (a) 41 (b) 26 (c) 33 (d) 3
21. 21.Which number is the odd one out: 6, 47, 59, 37? (a) 6 (b) 47 (c) 59 (d) 37
22. 22.Which number is the odd one out: 59, 24, 97, 2? (a) 59 (b) 24 (c) 97 (d) 2
23. 23.Which number is the odd one out: 81, 9, 16, 8? (a) 81 (b) 9 (c) 16 (d) 8
24. 24.Which number is the odd one out: 23, 19, 10, 17? (a) 23 (b) 19 (c) 10 (d) 17
25. 25.Which number is the odd one out: 30, 71, 89, 55? (a) 30 (b) 71 (c) 89 (d) 55
26. 26.Which number is the odd one out: 17, 31, 29, 16? (a) 17 (b) 31 (c) 29 (d) 16
27. 27.Which number is the odd one out: 47, 48, 37, 57? (a) 47 (b) 48 (c) 37 (d) 57
28. 28.Which number is the odd one out: 13, 71, 61, 72? (a) 13 (b) 71 (c) 61 (d) 72
29. 29.Which number is the odd one out: 89, 64, 61, 97? (a) 89 (b) 64 (c) 61 (d) 97
30. 30.Which number is the odd one out: 72, 13, 71, 59? (a) 72 (b) 13 (c) 71 (d) 59
31. 31.Which number is the odd one out: 5, 84, 42, 12? (a) 5 (b) 84 (c) 42 (d) 12
32. 32.Which number is the odd one out: 61, 67, 69, 97? (a) 61 (b) 67 (c) 69 (d) 97
33. 33.Which number is the odd one out: 81, 9, 84, 36? (a) 81 (b) 9 (c) 84 (d) 36
34. 34.Which number is the odd one out: 73, 37, 3, 27? (a) 73 (b) 37 (c) 3 (d) 27
35. 35.Which number is the odd one out: 47, 2, 13, 22? (a) 47 (b) 2 (c) 13 (d) 22
36. 36.Which number is the odd one out: 19, 31, 79, 32? (a) 19 (b) 31 (c) 79 (d) 32
37. 37.Which number is the odd one out: 47, 59, 13, 60? (a) 47 (b) 59 (c) 13 (d) 60
38. 38.Which number is the odd one out: 83, 29, 34, 19? (a) 83 (b) 29 (c) 34 (d) 19
39. 39.Which number is the odd one out: 76, 16, 8, 81? (a) 76 (b) 16 (c) 8 (d) 81
40. 40.Which number is the odd one out: 15, 45, 54, 18? (a) 15 (b) 45 (c) 54 (d) 18

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