Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 539 · 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: 67, 11, 19, 56? (a) 67 (b) 11 (c) 19 (d) 56
2. 2.Which number is the odd one out: 31, 2, 43, 6? (a) 31 (b) 2 (c) 43 (d) 6
3. 3.Which number is the odd one out: 93, 18, 99, 54? (a) 93 (b) 18 (c) 99 (d) 54
4. 4.Which number is the odd one out: 67, 43, 11, 8? (a) 67 (b) 43 (c) 11 (d) 8
5. 5.Which number is the odd one out: 29, 20, 41, 37? (a) 29 (b) 20 (c) 41 (d) 37
6. 6.Which number is the odd one out: 36, 99, 25, 12? (a) 36 (b) 99 (c) 25 (d) 12
7. 7.Which number is the odd one out: 78, 44, 84, 42? (a) 78 (b) 44 (c) 84 (d) 42
8. 8.Which number is the odd one out: 61, 3, 45, 37? (a) 61 (b) 3 (c) 45 (d) 37
9. 9.Which number is the odd one out: 37, 43, 61, 80? (a) 37 (b) 43 (c) 61 (d) 80
10. 10.Which number is the odd one out: 3, 43, 90, 79? (a) 3 (b) 43 (c) 90 (d) 79
11. 11.Which number is the odd one out: 48, 86, 72, 18? (a) 48 (b) 86 (c) 72 (d) 18
12. 12.Which number is the odd one out: 43, 6, 29, 3? (a) 43 (b) 6 (c) 29 (d) 3
13. 13.Which number is the odd one out: 31, 7, 49, 29? (a) 31 (b) 7 (c) 49 (d) 29
14. 14.Which number is the odd one out: 29, 64, 31, 17? (a) 29 (b) 64 (c) 31 (d) 17
15. 15.Which number is the odd one out: 82, 17, 5, 65? (a) 82 (b) 17 (c) 5 (d) 65
16. 16.Which number is the odd one out: 9, 73, 11, 3? (a) 9 (b) 73 (c) 11 (d) 3
17. 17.Which number is the odd one out: 77, 3, 7, 21? (a) 77 (b) 3 (c) 7 (d) 21
18. 18.Which number is the odd one out: 5, 30, 33, 97? (a) 5 (b) 30 (c) 33 (d) 97
19. 19.Which number is the odd one out: 37, 5, 30, 79? (a) 37 (b) 5 (c) 30 (d) 79
20. 20.Which number is the odd one out: 13, 36, 89, 53? (a) 13 (b) 36 (c) 89 (d) 53
21. 21.Which number is the odd one out: 67, 61, 3, 39? (a) 67 (b) 61 (c) 3 (d) 39
22. 22.Which number is the odd one out: 73, 84, 2, 29? (a) 73 (b) 84 (c) 2 (d) 29
23. 23.Which number is the odd one out: 67, 37, 13, 40? (a) 67 (b) 37 (c) 13 (d) 40
24. 24.Which number is the odd one out: 36, 6, 54, 64? (a) 36 (b) 6 (c) 54 (d) 64
25. 25.Which number is the odd one out: 25, 52, 60, 12? (a) 25 (b) 52 (c) 60 (d) 12
26. 26.Which number is the odd one out: 96, 48, 27, 24? (a) 96 (b) 48 (c) 27 (d) 24
27. 27.Which number is the odd one out: 59, 61, 54, 71? (a) 59 (b) 61 (c) 54 (d) 71
28. 28.Which number is the odd one out: 18, 70, 54, 90? (a) 18 (b) 70 (c) 54 (d) 90
29. 29.Which number is the odd one out: 96, 72, 24, 63? (a) 96 (b) 72 (c) 24 (d) 63
30. 30.Which number is the odd one out: 32, 64, 2, 16? (a) 32 (b) 64 (c) 2 (d) 16
31. 31.Which number is the odd one out: 82, 95, 5, 71? (a) 82 (b) 95 (c) 5 (d) 71
32. 32.Which number is the odd one out: 15, 65, 76, 51? (a) 15 (b) 65 (c) 76 (d) 51
33. 33.Which number is the odd one out: 17, 67, 2, 8? (a) 17 (b) 67 (c) 2 (d) 8
34. 34.Which number is the odd one out: 61, 47, 37, 76? (a) 61 (b) 47 (c) 37 (d) 76
35. 35.Which number is the odd one out: 3, 23, 31, 27? (a) 3 (b) 23 (c) 31 (d) 27
36. 36.Which number is the odd one out: 79, 83, 29, 27? (a) 79 (b) 83 (c) 29 (d) 27
37. 37.Which number is the odd one out: 71, 67, 29, 58? (a) 71 (b) 67 (c) 29 (d) 58
38. 38.Which number is the odd one out: 97, 48, 59, 13? (a) 97 (b) 48 (c) 59 (d) 13
39. 39.Which number is the odd one out: 64, 6, 66, 12? (a) 64 (b) 6 (c) 66 (d) 12
40. 40.Which number is the odd one out: 11, 17, 37, 55? (a) 11 (b) 17 (c) 37 (d) 55

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