Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 722 · 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: 64, 8, 16, 74? (a) 64 (b) 8 (c) 16 (d) 74
2. 2.Which number is the odd one out: 5, 17, 12, 75? (a) 5 (b) 17 (c) 12 (d) 75
3. 3.Which number is the odd one out: 88, 8, 24, 18? (a) 88 (b) 8 (c) 24 (d) 18
4. 4.Which number is the odd one out: 11, 3, 31, 18? (a) 11 (b) 3 (c) 31 (d) 18
5. 5.Which number is the odd one out: 71, 79, 19, 30? (a) 71 (b) 79 (c) 19 (d) 30
6. 6.Which number is the odd one out: 4, 64, 16, 53? (a) 4 (b) 64 (c) 16 (d) 53
7. 7.Which number is the odd one out: 5, 70, 47, 23? (a) 5 (b) 70 (c) 47 (d) 23
8. 8.Which number is the odd one out: 8, 54, 18, 12? (a) 8 (b) 54 (c) 18 (d) 12
9. 9.Which number is the odd one out: 71, 31, 89, 68? (a) 71 (b) 31 (c) 89 (d) 68
10. 10.Which number is the odd one out: 83, 47, 43, 74? (a) 83 (b) 47 (c) 43 (d) 74
11. 11.Which number is the odd one out: 2, 19, 61, 8? (a) 2 (b) 19 (c) 61 (d) 8
12. 12.Which number is the odd one out: 9, 47, 37, 71? (a) 9 (b) 47 (c) 37 (d) 71
13. 13.Which number is the odd one out: 12, 61, 47, 53? (a) 12 (b) 61 (c) 47 (d) 53
14. 14.Which number is the odd one out: 95, 50, 76, 65? (a) 95 (b) 50 (c) 76 (d) 65
15. 15.Which number is the odd one out: 13, 31, 99, 17? (a) 13 (b) 31 (c) 99 (d) 17
16. 16.Which number is the odd one out: 89, 79, 11, 95? (a) 89 (b) 79 (c) 11 (d) 95
17. 17.Which number is the odd one out: 17, 57, 3, 4? (a) 17 (b) 57 (c) 3 (d) 4
18. 18.Which number is the odd one out: 13, 89, 69, 29? (a) 13 (b) 89 (c) 69 (d) 29
19. 19.Which number is the odd one out: 50, 99, 15, 10? (a) 50 (b) 99 (c) 15 (d) 10
20. 20.Which number is the odd one out: 24, 30, 80, 8? (a) 24 (b) 30 (c) 80 (d) 8
21. 21.Which number is the odd one out: 48, 32, 24, 2? (a) 48 (b) 32 (c) 24 (d) 2
22. 22.Which number is the odd one out: 28, 73, 61, 17? (a) 28 (b) 73 (c) 61 (d) 17
23. 23.Which number is the odd one out: 10, 89, 41, 47? (a) 10 (b) 89 (c) 41 (d) 47
24. 24.Which number is the odd one out: 47, 80, 43, 31? (a) 47 (b) 80 (c) 43 (d) 31
25. 25.Which number is the odd one out: 29, 31, 79, 30? (a) 29 (b) 31 (c) 79 (d) 30
26. 26.Which number is the odd one out: 23, 27, 31, 19? (a) 23 (b) 27 (c) 31 (d) 19
27. 27.Which number is the odd one out: 67, 17, 41, 91? (a) 67 (b) 17 (c) 41 (d) 91
28. 28.Which number is the odd one out: 90, 31, 57, 5? (a) 90 (b) 31 (c) 57 (d) 5
29. 29.Which number is the odd one out: 41, 65, 37, 53? (a) 41 (b) 65 (c) 37 (d) 53
30. 30.Which number is the odd one out: 89, 41, 31, 90? (a) 89 (b) 41 (c) 31 (d) 90
31. 31.Which number is the odd one out: 36, 87, 47, 23? (a) 36 (b) 87 (c) 47 (d) 23
32. 32.Which number is the odd one out: 80, 18, 72, 66? (a) 80 (b) 18 (c) 72 (d) 66
33. 33.Which number is the odd one out: 23, 13, 17, 4? (a) 23 (b) 13 (c) 17 (d) 4
34. 34.Which number is the odd one out: 71, 26, 83, 67? (a) 71 (b) 26 (c) 83 (d) 67
35. 35.Which number is the odd one out: 2, 31, 76, 89? (a) 2 (b) 31 (c) 76 (d) 89
36. 36.Which number is the odd one out: 45, 75, 16, 27? (a) 45 (b) 75 (c) 16 (d) 27
37. 37.Which number is the odd one out: 31, 80, 83, 13? (a) 31 (b) 80 (c) 83 (d) 13
38. 38.Which number is the odd one out: 13, 71, 43, 12? (a) 13 (b) 71 (c) 43 (d) 12
39. 39.Which number is the odd one out: 27, 63, 49, 81? (a) 27 (b) 63 (c) 49 (d) 81
40. 40.Which number is the odd one out: 74, 2, 61, 31? (a) 74 (b) 2 (c) 61 (d) 31

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