Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 625 · 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: 71, 25, 97, 17? (a) 71 (b) 25 (c) 97 (d) 17
2. 2.Which number is the odd one out: 84, 79, 19, 17? (a) 84 (b) 79 (c) 19 (d) 17
3. 3.Which number is the odd one out: 6, 19, 87, 53? (a) 6 (b) 19 (c) 87 (d) 53
4. 4.Which number is the odd one out: 61, 90, 17, 37? (a) 61 (b) 90 (c) 17 (d) 37
5. 5.Which number is the odd one out: 88, 90, 32, 96? (a) 88 (b) 90 (c) 32 (d) 96
6. 6.Which number is the odd one out: 68, 62, 31, 52? (a) 68 (b) 62 (c) 31 (d) 52
7. 7.Which number is the odd one out: 47, 19, 64, 11? (a) 47 (b) 19 (c) 64 (d) 11
8. 8.Which number is the odd one out: 59, 6, 57, 66? (a) 59 (b) 6 (c) 57 (d) 66
9. 9.Which number is the odd one out: 37, 7, 63, 41? (a) 37 (b) 7 (c) 63 (d) 41
10. 10.Which number is the odd one out: 23, 8, 97, 47? (a) 23 (b) 8 (c) 97 (d) 47
11. 11.Which number is the odd one out: 24, 97, 83, 17? (a) 24 (b) 97 (c) 83 (d) 17
12. 12.Which number is the odd one out: 90, 84, 98, 28? (a) 90 (b) 84 (c) 98 (d) 28
13. 13.Which number is the odd one out: 64, 15, 16, 25? (a) 64 (b) 15 (c) 16 (d) 25
14. 14.Which number is the odd one out: 19, 24, 48, 66? (a) 19 (b) 24 (c) 48 (d) 66
15. 15.Which number is the odd one out: 43, 55, 41, 17? (a) 43 (b) 55 (c) 41 (d) 17
16. 16.Which number is the odd one out: 29, 25, 37, 67? (a) 29 (b) 25 (c) 37 (d) 67
17. 17.Which number is the odd one out: 81, 27, 9, 24? (a) 81 (b) 27 (c) 9 (d) 24
18. 18.Which number is the odd one out: 38, 89, 59, 23? (a) 38 (b) 89 (c) 59 (d) 23
19. 19.Which number is the odd one out: 55, 17, 5, 13? (a) 55 (b) 17 (c) 5 (d) 13
20. 20.Which number is the odd one out: 81, 9, 52, 27? (a) 81 (b) 9 (c) 52 (d) 27
21. 21.Which number is the odd one out: 74, 71, 11, 19? (a) 74 (b) 71 (c) 11 (d) 19
22. 22.Which number is the odd one out: 3, 46, 41, 51? (a) 3 (b) 46 (c) 41 (d) 51
23. 23.Which number is the odd one out: 80, 9, 40, 32? (a) 80 (b) 9 (c) 40 (d) 32
24. 24.Which number is the odd one out: 97, 54, 17, 11? (a) 97 (b) 54 (c) 17 (d) 11
25. 25.Which number is the odd one out: 99, 27, 16, 9? (a) 99 (b) 27 (c) 16 (d) 9
26. 26.Which number is the odd one out: 24, 44, 96, 61? (a) 24 (b) 44 (c) 96 (d) 61
27. 27.Which number is the odd one out: 90, 40, 24, 88? (a) 90 (b) 40 (c) 24 (d) 88
28. 28.Which number is the odd one out: 90, 60, 96, 48? (a) 90 (b) 60 (c) 96 (d) 48
29. 29.Which number is the odd one out: 92, 71, 37, 61? (a) 92 (b) 71 (c) 37 (d) 61
30. 30.Which number is the odd one out: 13, 11, 31, 9? (a) 13 (b) 11 (c) 31 (d) 9
31. 31.Which number is the odd one out: 47, 32, 83, 67? (a) 47 (b) 32 (c) 83 (d) 67
32. 32.Which number is the odd one out: 43, 17, 66, 73? (a) 43 (b) 17 (c) 66 (d) 73
33. 33.Which number is the odd one out: 61, 89, 16, 43? (a) 61 (b) 89 (c) 16 (d) 43
34. 34.Which number is the odd one out: 71, 14, 29, 23? (a) 71 (b) 14 (c) 29 (d) 23
35. 35.Which number is the odd one out: 96, 19, 79, 11? (a) 96 (b) 19 (c) 79 (d) 11
36. 36.Which number is the odd one out: 24, 44, 66, 88? (a) 24 (b) 44 (c) 66 (d) 88
37. 37.Which number is the odd one out: 23, 31, 20, 73? (a) 23 (b) 31 (c) 20 (d) 73
38. 38.Which number is the odd one out: 47, 5, 40, 97? (a) 47 (b) 5 (c) 40 (d) 97
39. 39.Which number is the odd one out: 67, 13, 52, 37? (a) 67 (b) 13 (c) 52 (d) 37
40. 40.Which number is the odd one out: 43, 28, 53, 61? (a) 43 (b) 28 (c) 53 (d) 61

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