Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 409 · 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: 37, 96, 83, 23? (a) 37 (b) 96 (c) 83 (d) 23
2. 2.Which number is the odd one out: 17, 14, 31, 37? (a) 17 (b) 14 (c) 31 (d) 37
3. 3.Which number is the odd one out: 66, 90, 18, 15? (a) 66 (b) 90 (c) 18 (d) 15
4. 4.Which number is the odd one out: 19, 47, 67, 62? (a) 19 (b) 47 (c) 67 (d) 62
5. 5.Which number is the odd one out: 5, 95, 79, 72? (a) 5 (b) 95 (c) 79 (d) 72
6. 6.Which number is the odd one out: 18, 11, 41, 23? (a) 18 (b) 11 (c) 41 (d) 23
7. 7.Which number is the odd one out: 16, 25, 64, 5? (a) 16 (b) 25 (c) 64 (d) 5
8. 8.Which number is the odd one out: 96, 72, 9, 78? (a) 96 (b) 72 (c) 9 (d) 78
9. 9.Which number is the odd one out: 92, 79, 13, 29? (a) 92 (b) 79 (c) 13 (d) 29
10. 10.Which number is the odd one out: 73, 12, 71, 17? (a) 73 (b) 12 (c) 71 (d) 17
11. 11.Which number is the odd one out: 79, 73, 11, 36? (a) 79 (b) 73 (c) 11 (d) 36
12. 12.Which number is the odd one out: 71, 13, 87, 43? (a) 71 (b) 13 (c) 87 (d) 43
13. 13.Which number is the odd one out: 23, 16, 29, 61? (a) 23 (b) 16 (c) 29 (d) 61
14. 14.Which number is the odd one out: 99, 81, 9, 35? (a) 99 (b) 81 (c) 9 (d) 35
15. 15.Which number is the odd one out: 42, 73, 83, 89? (a) 42 (b) 73 (c) 83 (d) 89
16. 16.Which number is the odd one out: 59, 4, 71, 17? (a) 59 (b) 4 (c) 71 (d) 17
17. 17.Which number is the odd one out: 16, 30, 90, 72? (a) 16 (b) 30 (c) 90 (d) 72
18. 18.Which number is the odd one out: 71, 13, 48, 47? (a) 71 (b) 13 (c) 48 (d) 47
19. 19.Which number is the odd one out: 59, 74, 37, 83? (a) 59 (b) 74 (c) 37 (d) 83
20. 20.Which number is the odd one out: 12, 79, 67, 73? (a) 12 (b) 79 (c) 67 (d) 73
21. 21.Which number is the odd one out: 94, 37, 67, 2? (a) 94 (b) 37 (c) 67 (d) 2
22. 22.Which number is the odd one out: 38, 83, 68, 52? (a) 38 (b) 83 (c) 68 (d) 52
23. 23.Which number is the odd one out: 61, 5, 29, 65? (a) 61 (b) 5 (c) 29 (d) 65
24. 24.Which number is the odd one out: 17, 36, 19, 3? (a) 17 (b) 36 (c) 19 (d) 3
25. 25.Which number is the odd one out: 71, 2, 53, 88? (a) 71 (b) 2 (c) 53 (d) 88
26. 26.Which number is the odd one out: 79, 7, 14, 98? (a) 79 (b) 7 (c) 14 (d) 98
27. 27.Which number is the odd one out: 53, 89, 14, 29? (a) 53 (b) 89 (c) 14 (d) 29
28. 28.Which number is the odd one out: 84, 85, 20, 95? (a) 84 (b) 85 (c) 20 (d) 95
29. 29.Which number is the odd one out: 13, 41, 99, 67? (a) 13 (b) 41 (c) 99 (d) 67
30. 30.Which number is the odd one out: 37, 23, 93, 19? (a) 37 (b) 23 (c) 93 (d) 19
31. 31.Which number is the odd one out: 46, 47, 53, 61? (a) 46 (b) 47 (c) 53 (d) 61
32. 32.Which number is the odd one out: 24, 89, 13, 29? (a) 24 (b) 89 (c) 13 (d) 29
33. 33.Which number is the odd one out: 66, 43, 93, 83? (a) 66 (b) 43 (c) 93 (d) 83
34. 34.Which number is the odd one out: 48, 78, 19, 96? (a) 48 (b) 78 (c) 19 (d) 96
35. 35.Which number is the odd one out: 9, 54, 78, 66? (a) 9 (b) 54 (c) 78 (d) 66
36. 36.Which number is the odd one out: 53, 44, 13, 73? (a) 53 (b) 44 (c) 13 (d) 73
37. 37.Which number is the odd one out: 59, 85, 13, 31? (a) 59 (b) 85 (c) 13 (d) 31
38. 38.Which number is the odd one out: 14, 91, 37, 98? (a) 14 (b) 91 (c) 37 (d) 98
39. 39.Which number is the odd one out: 85, 15, 63, 35? (a) 85 (b) 15 (c) 63 (d) 35
40. 40.Which number is the odd one out: 19, 3, 23, 42? (a) 19 (b) 3 (c) 23 (d) 42

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