Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 828 · 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: 70, 35, 9, 14? (a) 70 (b) 35 (c) 9 (d) 14
2. 2.Which number is the odd one out: 16, 14, 4, 64? (a) 16 (b) 14 (c) 4 (d) 64
3. 3.Which number is the odd one out: 17, 2, 16, 29? (a) 17 (b) 2 (c) 16 (d) 29
4. 4.Which number is the odd one out: 54, 64, 6, 18? (a) 54 (b) 64 (c) 6 (d) 18
5. 5.Which number is the odd one out: 11, 29, 31, 18? (a) 11 (b) 29 (c) 31 (d) 18
6. 6.Which number is the odd one out: 18, 89, 43, 29? (a) 18 (b) 89 (c) 43 (d) 29
7. 7.Which number is the odd one out: 59, 58, 31, 29? (a) 59 (b) 58 (c) 31 (d) 29
8. 8.Which number is the odd one out: 42, 23, 71, 79? (a) 42 (b) 23 (c) 71 (d) 79
9. 9.Which number is the odd one out: 73, 41, 54, 13? (a) 73 (b) 41 (c) 54 (d) 13
10. 10.Which number is the odd one out: 47, 2, 67, 32? (a) 47 (b) 2 (c) 67 (d) 32
11. 11.Which number is the odd one out: 11, 82, 53, 29? (a) 11 (b) 82 (c) 53 (d) 29
12. 12.Which number is the odd one out: 67, 5, 17, 80? (a) 67 (b) 5 (c) 17 (d) 80
13. 13.Which number is the odd one out: 42, 96, 8, 32? (a) 42 (b) 96 (c) 8 (d) 32
14. 14.Which number is the odd one out: 54, 99, 18, 75? (a) 54 (b) 99 (c) 18 (d) 75
15. 15.Which number is the odd one out: 47, 18, 72, 96? (a) 47 (b) 18 (c) 72 (d) 96
16. 16.Which number is the odd one out: 53, 92, 61, 83? (a) 53 (b) 92 (c) 61 (d) 83
17. 17.Which number is the odd one out: 88, 10, 8, 40? (a) 88 (b) 10 (c) 8 (d) 40
18. 18.Which number is the odd one out: 67, 29, 11, 15? (a) 67 (b) 29 (c) 11 (d) 15
19. 19.Which number is the odd one out: 96, 12, 49, 16? (a) 96 (b) 12 (c) 49 (d) 16
20. 20.Which number is the odd one out: 70, 35, 51, 14? (a) 70 (b) 35 (c) 51 (d) 14
21. 21.Which number is the odd one out: 77, 91, 38, 98? (a) 77 (b) 91 (c) 38 (d) 98
22. 22.Which number is the odd one out: 29, 4, 13, 17? (a) 29 (b) 4 (c) 13 (d) 17
23. 23.Which number is the odd one out: 97, 83, 18, 89? (a) 97 (b) 83 (c) 18 (d) 89
24. 24.Which number is the odd one out: 89, 97, 37, 42? (a) 89 (b) 97 (c) 37 (d) 42
25. 25.Which number is the odd one out: 27, 9, 81, 76? (a) 27 (b) 9 (c) 81 (d) 76
26. 26.Which number is the odd one out: 23, 61, 30, 41? (a) 23 (b) 61 (c) 30 (d) 41
27. 27.Which number is the odd one out: 37, 75, 61, 89? (a) 37 (b) 75 (c) 61 (d) 89
28. 28.Which number is the odd one out: 67, 44, 52, 94? (a) 67 (b) 44 (c) 52 (d) 94
29. 29.Which number is the odd one out: 14, 81, 9, 49? (a) 14 (b) 81 (c) 9 (d) 49
30. 30.Which number is the odd one out: 22, 29, 17, 2? (a) 22 (b) 29 (c) 17 (d) 2
31. 31.Which number is the odd one out: 13, 61, 43, 85? (a) 13 (b) 61 (c) 43 (d) 85
32. 32.Which number is the odd one out: 47, 87, 11, 79? (a) 47 (b) 87 (c) 11 (d) 79
33. 33.Which number is the odd one out: 6, 96, 99, 24? (a) 6 (b) 96 (c) 99 (d) 24
34. 34.Which number is the odd one out: 67, 61, 43, 33? (a) 67 (b) 61 (c) 43 (d) 33
35. 35.Which number is the odd one out: 71, 83, 94, 97? (a) 71 (b) 83 (c) 94 (d) 97
36. 36.Which number is the odd one out: 10, 85, 95, 28? (a) 10 (b) 85 (c) 95 (d) 28
37. 37.Which number is the odd one out: 27, 6, 24, 96? (a) 27 (b) 6 (c) 24 (d) 96
38. 38.Which number is the odd one out: 61, 73, 71, 54? (a) 61 (b) 73 (c) 71 (d) 54
39. 39.Which number is the odd one out: 26, 11, 23, 73? (a) 26 (b) 11 (c) 23 (d) 73
40. 40.Which number is the odd one out: 13, 30, 5, 73? (a) 13 (b) 30 (c) 5 (d) 73

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