Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 273 · 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: 13, 47, 29, 54? (a) 13 (b) 47 (c) 29 (d) 54
2. 2.Which number is the odd one out: 26, 84, 96, 56? (a) 26 (b) 84 (c) 96 (d) 56
3. 3.Which number is the odd one out: 89, 71, 88, 79? (a) 89 (b) 71 (c) 88 (d) 79
4. 4.Which number is the odd one out: 17, 71, 66, 61? (a) 17 (b) 71 (c) 66 (d) 61
5. 5.Which number is the odd one out: 71, 83, 41, 18? (a) 71 (b) 83 (c) 41 (d) 18
6. 6.Which number is the odd one out: 50, 81, 9, 25? (a) 50 (b) 81 (c) 9 (d) 25
7. 7.Which number is the odd one out: 20, 5, 83, 61? (a) 20 (b) 5 (c) 83 (d) 61
8. 8.Which number is the odd one out: 41, 6, 53, 23? (a) 41 (b) 6 (c) 53 (d) 23
9. 9.Which number is the odd one out: 11, 43, 41, 35? (a) 11 (b) 43 (c) 41 (d) 35
10. 10.Which number is the odd one out: 11, 29, 43, 46? (a) 11 (b) 29 (c) 43 (d) 46
11. 11.Which number is the odd one out: 54, 37, 79, 13? (a) 54 (b) 37 (c) 79 (d) 13
12. 12.Which number is the odd one out: 49, 4, 91, 77? (a) 49 (b) 4 (c) 91 (d) 77
13. 13.Which number is the odd one out: 35, 40, 32, 56? (a) 35 (b) 40 (c) 32 (d) 56
14. 14.Which number is the odd one out: 90, 45, 18, 79? (a) 90 (b) 45 (c) 18 (d) 79
15. 15.Which number is the odd one out: 11, 19, 32, 37? (a) 11 (b) 19 (c) 32 (d) 37
16. 16.Which number is the odd one out: 79, 60, 59, 83? (a) 79 (b) 60 (c) 59 (d) 83
17. 17.Which number is the odd one out: 54, 18, 99, 7? (a) 54 (b) 18 (c) 99 (d) 7
18. 18.Which number is the odd one out: 59, 72, 19, 67? (a) 59 (b) 72 (c) 19 (d) 67
19. 19.Which number is the odd one out: 31, 19, 25, 37? (a) 31 (b) 19 (c) 25 (d) 37
20. 20.Which number is the odd one out: 11, 29, 4, 89? (a) 11 (b) 29 (c) 4 (d) 89
21. 21.Which number is the odd one out: 9, 64, 27, 16? (a) 9 (b) 64 (c) 27 (d) 16
22. 22.Which number is the odd one out: 29, 59, 28, 11? (a) 29 (b) 59 (c) 28 (d) 11
23. 23.Which number is the odd one out: 55, 75, 95, 24? (a) 55 (b) 75 (c) 95 (d) 24
24. 24.Which number is the odd one out: 23, 67, 47, 91? (a) 23 (b) 67 (c) 47 (d) 91
25. 25.Which number is the odd one out: 59, 56, 19, 17? (a) 59 (b) 56 (c) 19 (d) 17
26. 26.Which number is the odd one out: 69, 73, 47, 19? (a) 69 (b) 73 (c) 47 (d) 19
27. 27.Which number is the odd one out: 11, 80, 53, 5? (a) 11 (b) 80 (c) 53 (d) 5
28. 28.Which number is the odd one out: 93, 13, 61, 72? (a) 93 (b) 13 (c) 61 (d) 72
29. 29.Which number is the odd one out: 19, 89, 55, 37? (a) 19 (b) 89 (c) 55 (d) 37
30. 30.Which number is the odd one out: 59, 31, 89, 50? (a) 59 (b) 31 (c) 89 (d) 50
31. 31.Which number is the odd one out: 14, 2, 19, 47? (a) 14 (b) 2 (c) 19 (d) 47
32. 32.Which number is the odd one out: 41, 77, 89, 79? (a) 41 (b) 77 (c) 89 (d) 79
33. 33.Which number is the odd one out: 6, 5, 26, 30? (a) 6 (b) 5 (c) 26 (d) 30
34. 34.Which number is the odd one out: 41, 37, 80, 23? (a) 41 (b) 37 (c) 80 (d) 23
35. 35.Which number is the odd one out: 75, 65, 25, 9? (a) 75 (b) 65 (c) 25 (d) 9
36. 36.Which number is the odd one out: 66, 8, 96, 78? (a) 66 (b) 8 (c) 96 (d) 78
37. 37.Which number is the odd one out: 32, 80, 35, 56? (a) 32 (b) 80 (c) 35 (d) 56
38. 38.Which number is the odd one out: 24, 32, 20, 96? (a) 24 (b) 32 (c) 20 (d) 96
39. 39.Which number is the odd one out: 95, 21, 65, 35? (a) 95 (b) 21 (c) 65 (d) 35
40. 40.Which number is the odd one out: 83, 21, 3, 17? (a) 83 (b) 21 (c) 3 (d) 17

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