Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 174 · 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: 78, 13, 19, 67? (a) 78 (b) 13 (c) 19 (d) 67
2. 2.Which number is the odd one out: 48, 96, 71, 88? (a) 48 (b) 96 (c) 71 (d) 88
3. 3.Which number is the odd one out: 53, 11, 13, 32? (a) 53 (b) 11 (c) 13 (d) 32
4. 4.Which number is the odd one out: 81, 23, 73, 29? (a) 81 (b) 23 (c) 73 (d) 29
5. 5.Which number is the odd one out: 50, 53, 71, 5? (a) 50 (b) 53 (c) 71 (d) 5
6. 6.Which number is the odd one out: 19, 22, 43, 37? (a) 19 (b) 22 (c) 43 (d) 37
7. 7.Which number is the odd one out: 68, 41, 73, 19? (a) 68 (b) 41 (c) 73 (d) 19
8. 8.Which number is the odd one out: 59, 3, 78, 29? (a) 59 (b) 3 (c) 78 (d) 29
9. 9.Which number is the odd one out: 5, 19, 17, 90? (a) 5 (b) 19 (c) 17 (d) 90
10. 10.Which number is the odd one out: 71, 67, 61, 21? (a) 71 (b) 67 (c) 61 (d) 21
11. 11.Which number is the odd one out: 87, 79, 29, 61? (a) 87 (b) 79 (c) 29 (d) 61
12. 12.Which number is the odd one out: 43, 49, 71, 83? (a) 43 (b) 49 (c) 71 (d) 83
13. 13.Which number is the odd one out: 53, 80, 55, 40? (a) 53 (b) 80 (c) 55 (d) 40
14. 14.Which number is the odd one out: 19, 46, 73, 59? (a) 19 (b) 46 (c) 73 (d) 59
15. 15.Which number is the odd one out: 71, 61, 75, 11? (a) 71 (b) 61 (c) 75 (d) 11
16. 16.Which number is the odd one out: 50, 41, 37, 47? (a) 50 (b) 41 (c) 37 (d) 47
17. 17.Which number is the odd one out: 43, 13, 29, 98? (a) 43 (b) 13 (c) 29 (d) 98
18. 18.Which number is the odd one out: 29, 98, 41, 67? (a) 29 (b) 98 (c) 41 (d) 67
19. 19.Which number is the odd one out: 19, 33, 89, 11? (a) 19 (b) 33 (c) 89 (d) 11
20. 20.Which number is the odd one out: 53, 96, 79, 67? (a) 53 (b) 96 (c) 79 (d) 67
21. 21.Which number is the odd one out: 32, 64, 69, 16? (a) 32 (b) 64 (c) 69 (d) 16
22. 22.Which number is the odd one out: 15, 66, 67, 30? (a) 15 (b) 66 (c) 67 (d) 30
23. 23.Which number is the odd one out: 48, 32, 24, 47? (a) 48 (b) 32 (c) 24 (d) 47
24. 24.Which number is the odd one out: 2, 47, 80, 59? (a) 2 (b) 47 (c) 80 (d) 59
25. 25.Which number is the odd one out: 40, 47, 41, 5? (a) 40 (b) 47 (c) 41 (d) 5
26. 26.Which number is the odd one out: 48, 32, 18, 8? (a) 48 (b) 32 (c) 18 (d) 8
27. 27.Which number is the odd one out: 17, 92, 43, 67? (a) 17 (b) 92 (c) 43 (d) 67
28. 28.Which number is the odd one out: 17, 41, 11, 22? (a) 17 (b) 41 (c) 11 (d) 22
29. 29.Which number is the odd one out: 84, 71, 37, 47? (a) 84 (b) 71 (c) 37 (d) 47
30. 30.Which number is the odd one out: 90, 18, 30, 19? (a) 90 (b) 18 (c) 30 (d) 19
31. 31.Which number is the odd one out: 40, 64, 81, 9? (a) 40 (b) 64 (c) 81 (d) 9
32. 32.Which number is the odd one out: 67, 9, 71, 83? (a) 67 (b) 9 (c) 71 (d) 83
33. 33.Which number is the odd one out: 67, 37, 53, 26? (a) 67 (b) 37 (c) 53 (d) 26
34. 34.Which number is the odd one out: 83, 84, 29, 97? (a) 83 (b) 84 (c) 29 (d) 97
35. 35.Which number is the odd one out: 43, 23, 40, 71? (a) 43 (b) 23 (c) 40 (d) 71
36. 36.Which number is the odd one out: 19, 25, 41, 5? (a) 19 (b) 25 (c) 41 (d) 5
37. 37.Which number is the odd one out: 61, 53, 86, 83? (a) 61 (b) 53 (c) 86 (d) 83
38. 38.Which number is the odd one out: 54, 27, 78, 6? (a) 54 (b) 27 (c) 78 (d) 6
39. 39.Which number is the odd one out: 12, 13, 89, 53? (a) 12 (b) 13 (c) 89 (d) 53
40. 40.Which number is the odd one out: 61, 89, 31, 15? (a) 61 (b) 89 (c) 31 (d) 15

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