Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 201 · 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: 11, 17, 43, 91? (a) 11 (b) 17 (c) 43 (d) 91
2. 2.Which number is the odd one out: 73, 29, 8, 41? (a) 73 (b) 29 (c) 8 (d) 41
3. 3.Which number is the odd one out: 72, 57, 71, 29? (a) 72 (b) 57 (c) 71 (d) 29
4. 4.Which number is the odd one out: 24, 13, 37, 43? (a) 24 (b) 13 (c) 37 (d) 43
5. 5.Which number is the odd one out: 65, 55, 75, 33? (a) 65 (b) 55 (c) 75 (d) 33
6. 6.Which number is the odd one out: 17, 24, 47, 23? (a) 17 (b) 24 (c) 47 (d) 23
7. 7.Which number is the odd one out: 73, 83, 47, 24? (a) 73 (b) 83 (c) 47 (d) 24
8. 8.Which number is the odd one out: 49, 17, 11, 13? (a) 49 (b) 17 (c) 11 (d) 13
9. 9.Which number is the odd one out: 47, 81, 97, 23? (a) 47 (b) 81 (c) 97 (d) 23
10. 10.Which number is the odd one out: 87, 37, 11, 41? (a) 87 (b) 37 (c) 11 (d) 41
11. 11.Which number is the odd one out: 2, 53, 24, 83? (a) 2 (b) 53 (c) 24 (d) 83
12. 12.Which number is the odd one out: 24, 53, 11, 3? (a) 24 (b) 53 (c) 11 (d) 3
13. 13.Which number is the odd one out: 74, 37, 79, 13? (a) 74 (b) 37 (c) 79 (d) 13
14. 14.Which number is the odd one out: 18, 3, 47, 53? (a) 18 (b) 3 (c) 47 (d) 53
15. 15.Which number is the odd one out: 2, 72, 47, 29? (a) 2 (b) 72 (c) 47 (d) 29
16. 16.Which number is the odd one out: 23, 15, 19, 59? (a) 23 (b) 15 (c) 19 (d) 59
17. 17.Which number is the odd one out: 98, 66, 35, 6? (a) 98 (b) 66 (c) 35 (d) 6
18. 18.Which number is the odd one out: 59, 80, 71, 47? (a) 59 (b) 80 (c) 71 (d) 47
19. 19.Which number is the odd one out: 72, 96, 45, 66? (a) 72 (b) 96 (c) 45 (d) 66
20. 20.Which number is the odd one out: 42, 29, 12, 28? (a) 42 (b) 29 (c) 12 (d) 28
21. 21.Which number is the odd one out: 36, 37, 89, 17? (a) 36 (b) 37 (c) 89 (d) 17
22. 22.Which number is the odd one out: 58, 23, 67, 79? (a) 58 (b) 23 (c) 67 (d) 79
23. 23.Which number is the odd one out: 17, 79, 3, 69? (a) 17 (b) 79 (c) 3 (d) 69
24. 24.Which number is the odd one out: 31, 71, 20, 11? (a) 31 (b) 71 (c) 20 (d) 11
25. 25.Which number is the odd one out: 16, 64, 40, 45? (a) 16 (b) 64 (c) 40 (d) 45
26. 26.Which number is the odd one out: 16, 8, 18, 64? (a) 16 (b) 8 (c) 18 (d) 64
27. 27.Which number is the odd one out: 99, 67, 61, 97? (a) 99 (b) 67 (c) 61 (d) 97
28. 28.Which number is the odd one out: 63, 11, 71, 43? (a) 63 (b) 11 (c) 71 (d) 43
29. 29.Which number is the odd one out: 98, 71, 11, 19? (a) 98 (b) 71 (c) 11 (d) 19
30. 30.Which number is the odd one out: 24, 32, 88, 54? (a) 24 (b) 32 (c) 88 (d) 54
31. 31.Which number is the odd one out: 67, 18, 61, 43? (a) 67 (b) 18 (c) 61 (d) 43
32. 32.Which number is the odd one out: 71, 18, 90, 45? (a) 71 (b) 18 (c) 90 (d) 45
33. 33.Which number is the odd one out: 24, 73, 43, 17? (a) 24 (b) 73 (c) 43 (d) 17
34. 34.Which number is the odd one out: 92, 41, 43, 31? (a) 92 (b) 41 (c) 43 (d) 31
35. 35.Which number is the odd one out: 41, 88, 47, 17? (a) 41 (b) 88 (c) 47 (d) 17
36. 36.Which number is the odd one out: 89, 6, 83, 43? (a) 89 (b) 6 (c) 83 (d) 43
37. 37.Which number is the odd one out: 24, 79, 37, 61? (a) 24 (b) 79 (c) 37 (d) 61
38. 38.Which number is the odd one out: 43, 92, 53, 23? (a) 43 (b) 92 (c) 53 (d) 23
39. 39.Which number is the odd one out: 83, 79, 19, 60? (a) 83 (b) 79 (c) 19 (d) 60
40. 40.Which number is the odd one out: 83, 37, 72, 43? (a) 83 (b) 37 (c) 72 (d) 43

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