Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 429 · 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: 75, 29, 89, 53? (a) 75 (b) 29 (c) 89 (d) 53
2. 2.Which number is the odd one out: 3, 7, 77, 91? (a) 3 (b) 7 (c) 77 (d) 91
3. 3.Which number is the odd one out: 11, 13, 31, 45? (a) 11 (b) 13 (c) 31 (d) 45
4. 4.Which number is the odd one out: 42, 98, 84, 8? (a) 42 (b) 98 (c) 84 (d) 8
5. 5.Which number is the odd one out: 92, 68, 44, 46? (a) 92 (b) 68 (c) 44 (d) 46
6. 6.Which number is the odd one out: 56, 72, 78, 18? (a) 56 (b) 72 (c) 78 (d) 18
7. 7.Which number is the odd one out: 19, 73, 44, 43? (a) 19 (b) 73 (c) 44 (d) 43
8. 8.Which number is the odd one out: 48, 32, 38, 96? (a) 48 (b) 32 (c) 38 (d) 96
9. 9.Which number is the odd one out: 32, 80, 93, 40? (a) 32 (b) 80 (c) 93 (d) 40
10. 10.Which number is the odd one out: 37, 19, 13, 28? (a) 37 (b) 19 (c) 13 (d) 28
11. 11.Which number is the odd one out: 90, 27, 54, 15? (a) 90 (b) 27 (c) 54 (d) 15
12. 12.Which number is the odd one out: 31, 73, 19, 38? (a) 31 (b) 73 (c) 19 (d) 38
13. 13.Which number is the odd one out: 89, 71, 41, 87? (a) 89 (b) 71 (c) 41 (d) 87
14. 14.Which number is the odd one out: 19, 6, 83, 79? (a) 19 (b) 6 (c) 83 (d) 79
15. 15.Which number is the odd one out: 84, 23, 97, 37? (a) 84 (b) 23 (c) 97 (d) 37
16. 16.Which number is the odd one out: 16, 56, 88, 49? (a) 16 (b) 56 (c) 88 (d) 49
17. 17.Which number is the odd one out: 36, 7, 97, 49? (a) 36 (b) 7 (c) 97 (d) 49
18. 18.Which number is the odd one out: 89, 47, 21, 73? (a) 89 (b) 47 (c) 21 (d) 73
19. 19.Which number is the odd one out: 17, 15, 29, 19? (a) 17 (b) 15 (c) 29 (d) 19
20. 20.Which number is the odd one out: 17, 36, 29, 13? (a) 17 (b) 36 (c) 29 (d) 13
21. 21.Which number is the odd one out: 67, 89, 88, 37? (a) 67 (b) 89 (c) 88 (d) 37
22. 22.Which number is the odd one out: 8, 97, 67, 23? (a) 8 (b) 97 (c) 67 (d) 23
23. 23.Which number is the odd one out: 43, 13, 64, 67? (a) 43 (b) 13 (c) 64 (d) 67
24. 24.Which number is the odd one out: 55, 31, 13, 89? (a) 55 (b) 31 (c) 13 (d) 89
25. 25.Which number is the odd one out: 47, 67, 93, 71? (a) 47 (b) 67 (c) 93 (d) 71
26. 26.Which number is the odd one out: 59, 54, 27, 18? (a) 59 (b) 54 (c) 27 (d) 18
27. 27.Which number is the odd one out: 83, 67, 16, 2? (a) 83 (b) 67 (c) 16 (d) 2
28. 28.Which number is the odd one out: 17, 33, 78, 29? (a) 17 (b) 33 (c) 78 (d) 29
29. 29.Which number is the odd one out: 17, 88, 97, 23? (a) 17 (b) 88 (c) 97 (d) 23
30. 30.Which number is the odd one out: 8, 81, 64, 88? (a) 8 (b) 81 (c) 64 (d) 88
31. 31.Which number is the odd one out: 89, 93, 29, 71? (a) 89 (b) 93 (c) 29 (d) 71
32. 32.Which number is the odd one out: 13, 23, 60, 41? (a) 13 (b) 23 (c) 60 (d) 41
33. 33.Which number is the odd one out: 16, 46, 64, 32? (a) 16 (b) 46 (c) 64 (d) 32
34. 34.Which number is the odd one out: 13, 89, 52, 73? (a) 13 (b) 89 (c) 52 (d) 73
35. 35.Which number is the odd one out: 9, 36, 31, 53? (a) 9 (b) 36 (c) 31 (d) 53
36. 36.Which number is the odd one out: 64, 23, 83, 47? (a) 64 (b) 23 (c) 83 (d) 47
37. 37.Which number is the odd one out: 84, 12, 70, 30? (a) 84 (b) 12 (c) 70 (d) 30
38. 38.Which number is the odd one out: 9, 27, 22, 81? (a) 9 (b) 27 (c) 22 (d) 81
39. 39.Which number is the odd one out: 17, 61, 85, 5? (a) 17 (b) 61 (c) 85 (d) 5
40. 40.Which number is the odd one out: 80, 8, 55, 58? (a) 80 (b) 8 (c) 55 (d) 58

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