Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 842 · 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: 81, 9, 88, 16? (a) 81 (b) 9 (c) 88 (d) 16
2. 2.Which number is the odd one out: 37, 74, 29, 61? (a) 37 (b) 74 (c) 29 (d) 61
3. 3.Which number is the odd one out: 89, 17, 97, 38? (a) 89 (b) 17 (c) 97 (d) 38
4. 4.Which number is the odd one out: 82, 48, 96, 8? (a) 82 (b) 48 (c) 96 (d) 8
5. 5.Which number is the odd one out: 17, 53, 24, 13? (a) 17 (b) 53 (c) 24 (d) 13
6. 6.Which number is the odd one out: 88, 32, 8, 25? (a) 88 (b) 32 (c) 8 (d) 25
7. 7.Which number is the odd one out: 17, 2, 29, 36? (a) 17 (b) 2 (c) 29 (d) 36
8. 8.Which number is the odd one out: 47, 92, 67, 13? (a) 47 (b) 92 (c) 67 (d) 13
9. 9.Which number is the odd one out: 13, 17, 45, 53? (a) 13 (b) 17 (c) 45 (d) 53
10. 10.Which number is the odd one out: 37, 20, 2, 67? (a) 37 (b) 20 (c) 2 (d) 67
11. 11.Which number is the odd one out: 20, 96, 40, 6? (a) 20 (b) 96 (c) 40 (d) 6
12. 12.Which number is the odd one out: 10, 30, 78, 50? (a) 10 (b) 30 (c) 78 (d) 50
13. 13.Which number is the odd one out: 80, 20, 48, 24? (a) 80 (b) 20 (c) 48 (d) 24
14. 14.Which number is the odd one out: 25, 73, 89, 31? (a) 25 (b) 73 (c) 89 (d) 31
15. 15.Which number is the odd one out: 61, 29, 51, 89? (a) 61 (b) 29 (c) 51 (d) 89
16. 16.Which number is the odd one out: 9, 2, 81, 99? (a) 9 (b) 2 (c) 81 (d) 99
17. 17.Which number is the odd one out: 23, 79, 28, 53? (a) 23 (b) 79 (c) 28 (d) 53
18. 18.Which number is the odd one out: 23, 67, 72, 13? (a) 23 (b) 67 (c) 72 (d) 13
19. 19.Which number is the odd one out: 47, 71, 53, 16? (a) 47 (b) 71 (c) 53 (d) 16
20. 20.Which number is the odd one out: 2, 71, 14, 13? (a) 2 (b) 71 (c) 14 (d) 13
21. 21.Which number is the odd one out: 67, 31, 13, 28? (a) 67 (b) 31 (c) 13 (d) 28
22. 22.Which number is the odd one out: 36, 97, 19, 9? (a) 36 (b) 97 (c) 19 (d) 9
23. 23.Which number is the odd one out: 29, 89, 24, 97? (a) 29 (b) 89 (c) 24 (d) 97
24. 24.Which number is the odd one out: 8, 88, 32, 10? (a) 8 (b) 88 (c) 32 (d) 10
25. 25.Which number is the odd one out: 9, 81, 82, 27? (a) 9 (b) 81 (c) 82 (d) 27
26. 26.Which number is the odd one out: 33, 43, 83, 17? (a) 33 (b) 43 (c) 83 (d) 17
27. 27.Which number is the odd one out: 24, 6, 80, 30? (a) 24 (b) 6 (c) 80 (d) 30
28. 28.Which number is the odd one out: 47, 29, 59, 12? (a) 47 (b) 29 (c) 59 (d) 12
29. 29.Which number is the odd one out: 17, 50, 97, 89? (a) 17 (b) 50 (c) 97 (d) 89
30. 30.Which number is the odd one out: 92, 11, 53, 71? (a) 92 (b) 11 (c) 53 (d) 71
31. 31.Which number is the odd one out: 13, 67, 59, 72? (a) 13 (b) 67 (c) 59 (d) 72
32. 32.Which number is the odd one out: 4, 27, 99, 81? (a) 4 (b) 27 (c) 99 (d) 81
33. 33.Which number is the odd one out: 13, 67, 83, 12? (a) 13 (b) 67 (c) 83 (d) 12
34. 34.Which number is the odd one out: 31, 90, 18, 45? (a) 31 (b) 90 (c) 18 (d) 45
35. 35.Which number is the odd one out: 68, 44, 52, 43? (a) 68 (b) 44 (c) 52 (d) 43
36. 36.Which number is the odd one out: 96, 12, 24, 2? (a) 96 (b) 12 (c) 24 (d) 2
37. 37.Which number is the odd one out: 7, 83, 71, 63? (a) 7 (b) 83 (c) 71 (d) 63
38. 38.Which number is the odd one out: 89, 17, 42, 79? (a) 89 (b) 17 (c) 42 (d) 79
39. 39.Which number is the odd one out: 18, 41, 97, 79? (a) 18 (b) 41 (c) 97 (d) 79
40. 40.Which number is the odd one out: 36, 47, 11, 43? (a) 36 (b) 47 (c) 11 (d) 43

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