Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 612 · 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: 2, 47, 61, 26? (a) 2 (b) 47 (c) 61 (d) 26
2. 2.Which number is the odd one out: 67, 2, 47, 98? (a) 67 (b) 2 (c) 47 (d) 98
3. 3.Which number is the odd one out: 83, 72, 37, 13? (a) 83 (b) 72 (c) 37 (d) 13
4. 4.Which number is the odd one out: 14, 98, 19, 77? (a) 14 (b) 98 (c) 19 (d) 77
5. 5.Which number is the odd one out: 10, 19, 47, 5? (a) 10 (b) 19 (c) 47 (d) 5
6. 6.Which number is the odd one out: 20, 37, 5, 17? (a) 20 (b) 37 (c) 5 (d) 17
7. 7.Which number is the odd one out: 89, 17, 37, 36? (a) 89 (b) 17 (c) 37 (d) 36
8. 8.Which number is the odd one out: 97, 13, 17, 8? (a) 97 (b) 13 (c) 17 (d) 8
9. 9.Which number is the odd one out: 31, 33, 61, 42? (a) 31 (b) 33 (c) 61 (d) 42
10. 10.Which number is the odd one out: 25, 19, 11, 5? (a) 25 (b) 19 (c) 11 (d) 5
11. 11.Which number is the odd one out: 53, 24, 89, 29? (a) 53 (b) 24 (c) 89 (d) 29
12. 12.Which number is the odd one out: 16, 41, 88, 64? (a) 16 (b) 41 (c) 88 (d) 64
13. 13.Which number is the odd one out: 59, 2, 66, 41? (a) 59 (b) 2 (c) 66 (d) 41
14. 14.Which number is the odd one out: 79, 50, 5, 41? (a) 79 (b) 50 (c) 5 (d) 41
15. 15.Which number is the odd one out: 83, 90, 97, 79? (a) 83 (b) 90 (c) 97 (d) 79
16. 16.Which number is the odd one out: 18, 3, 53, 2? (a) 18 (b) 3 (c) 53 (d) 2
17. 17.Which number is the odd one out: 31, 11, 94, 79? (a) 31 (b) 11 (c) 94 (d) 79
18. 18.Which number is the odd one out: 41, 59, 83, 9? (a) 41 (b) 59 (c) 83 (d) 9
19. 19.Which number is the odd one out: 7, 8, 4, 16? (a) 7 (b) 8 (c) 4 (d) 16
20. 20.Which number is the odd one out: 47, 77, 19, 59? (a) 47 (b) 77 (c) 19 (d) 59
21. 21.Which number is the odd one out: 61, 23, 51, 30? (a) 61 (b) 23 (c) 51 (d) 30
22. 22.Which number is the odd one out: 43, 23, 8, 2? (a) 43 (b) 23 (c) 8 (d) 2
23. 23.Which number is the odd one out: 66, 42, 14, 78? (a) 66 (b) 42 (c) 14 (d) 78
24. 24.Which number is the odd one out: 19, 17, 86, 37? (a) 19 (b) 17 (c) 86 (d) 37
25. 25.Which number is the odd one out: 96, 24, 18, 63? (a) 96 (b) 24 (c) 18 (d) 63
26. 26.Which number is the odd one out: 96, 48, 10, 92? (a) 96 (b) 48 (c) 10 (d) 92
27. 27.Which number is the odd one out: 74, 89, 13, 67? (a) 74 (b) 89 (c) 13 (d) 67
28. 28.Which number is the odd one out: 32, 76, 88, 30? (a) 32 (b) 76 (c) 88 (d) 30
29. 29.Which number is the odd one out: 83, 47, 61, 81? (a) 83 (b) 47 (c) 61 (d) 81
30. 30.Which number is the odd one out: 41, 2, 16, 59? (a) 41 (b) 2 (c) 16 (d) 59
31. 31.Which number is the odd one out: 41, 5, 35, 53? (a) 41 (b) 5 (c) 35 (d) 53
32. 32.Which number is the odd one out: 67, 41, 43, 60? (a) 67 (b) 41 (c) 43 (d) 60
33. 33.Which number is the odd one out: 37, 23, 89, 98? (a) 37 (b) 23 (c) 89 (d) 98
34. 34.Which number is the odd one out: 53, 23, 20, 31? (a) 53 (b) 23 (c) 20 (d) 31
35. 35.Which number is the odd one out: 75, 71, 59, 19? (a) 75 (b) 71 (c) 59 (d) 19
36. 36.Which number is the odd one out: 63, 23, 47, 97? (a) 63 (b) 23 (c) 47 (d) 97
37. 37.Which number is the odd one out: 59, 27, 81, 9? (a) 59 (b) 27 (c) 81 (d) 9
38. 38.Which number is the odd one out: 96, 4, 12, 24? (a) 96 (b) 4 (c) 12 (d) 24
39. 39.Which number is the odd one out: 24, 71, 23, 53? (a) 24 (b) 71 (c) 23 (d) 53
40. 40.Which number is the odd one out: 89, 91, 97, 43? (a) 89 (b) 91 (c) 97 (d) 43

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