Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 979 · 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: 26, 29, 43, 37? (a) 26 (b) 29 (c) 43 (d) 37
2. 2.Which number is the odd one out: 79, 47, 53, 62? (a) 79 (b) 47 (c) 53 (d) 62
3. 3.Which number is the odd one out: 66, 2, 11, 61? (a) 66 (b) 2 (c) 11 (d) 61
4. 4.Which number is the odd one out: 88, 8, 5, 40? (a) 88 (b) 8 (c) 5 (d) 40
5. 5.Which number is the odd one out: 37, 41, 50, 43? (a) 37 (b) 41 (c) 50 (d) 43
6. 6.Which number is the odd one out: 4, 41, 19, 2? (a) 4 (b) 41 (c) 19 (d) 2
7. 7.Which number is the odd one out: 91, 19, 41, 84? (a) 91 (b) 19 (c) 41 (d) 84
8. 8.Which number is the odd one out: 79, 66, 29, 17? (a) 79 (b) 66 (c) 29 (d) 17
9. 9.Which number is the odd one out: 99, 43, 54, 18? (a) 99 (b) 43 (c) 54 (d) 18
10. 10.Which number is the odd one out: 54, 18, 97, 66? (a) 54 (b) 18 (c) 97 (d) 66
11. 11.Which number is the odd one out: 43, 31, 61, 48? (a) 43 (b) 31 (c) 61 (d) 48
12. 12.Which number is the odd one out: 24, 50, 40, 48? (a) 24 (b) 50 (c) 40 (d) 48
13. 13.Which number is the odd one out: 79, 23, 50, 67? (a) 79 (b) 23 (c) 50 (d) 67
14. 14.Which number is the odd one out: 80, 56, 28, 40? (a) 80 (b) 56 (c) 28 (d) 40
15. 15.Which number is the odd one out: 23, 43, 27, 83? (a) 23 (b) 43 (c) 27 (d) 83
16. 16.Which number is the odd one out: 80, 40, 17, 88? (a) 80 (b) 40 (c) 17 (d) 88
17. 17.Which number is the odd one out: 99, 73, 79, 59? (a) 99 (b) 73 (c) 79 (d) 59
18. 18.Which number is the odd one out: 61, 41, 71, 26? (a) 61 (b) 41 (c) 71 (d) 26
19. 19.Which number is the odd one out: 15, 78, 18, 54? (a) 15 (b) 78 (c) 18 (d) 54
20. 20.Which number is the odd one out: 79, 70, 31, 7? (a) 79 (b) 70 (c) 31 (d) 7
21. 21.Which number is the odd one out: 59, 89, 78, 47? (a) 59 (b) 89 (c) 78 (d) 47
22. 22.Which number is the odd one out: 61, 2, 41, 30? (a) 61 (b) 2 (c) 41 (d) 30
23. 23.Which number is the odd one out: 67, 17, 55, 5? (a) 67 (b) 17 (c) 55 (d) 5
24. 24.Which number is the odd one out: 32, 5, 24, 48? (a) 32 (b) 5 (c) 24 (d) 48
25. 25.Which number is the odd one out: 71, 97, 53, 46? (a) 71 (b) 97 (c) 53 (d) 46
26. 26.Which number is the odd one out: 89, 31, 34, 37? (a) 89 (b) 31 (c) 34 (d) 37
27. 27.Which number is the odd one out: 88, 48, 96, 68? (a) 88 (b) 48 (c) 96 (d) 68
28. 28.Which number is the odd one out: 63, 9, 82, 49? (a) 63 (b) 9 (c) 82 (d) 49
29. 29.Which number is the odd one out: 34, 24, 48, 96? (a) 34 (b) 24 (c) 48 (d) 96
30. 30.Which number is the odd one out: 13, 3, 9, 59? (a) 13 (b) 3 (c) 9 (d) 59
31. 31.Which number is the odd one out: 96, 24, 48, 35? (a) 96 (b) 24 (c) 48 (d) 35
32. 32.Which number is the odd one out: 27, 99, 45, 15? (a) 27 (b) 99 (c) 45 (d) 15
33. 33.Which number is the odd one out: 83, 29, 19, 21? (a) 83 (b) 29 (c) 19 (d) 21
34. 34.Which number is the odd one out: 72, 71, 59, 89? (a) 72 (b) 71 (c) 59 (d) 89
35. 35.Which number is the odd one out: 37, 97, 27, 31? (a) 37 (b) 97 (c) 27 (d) 31
36. 36.Which number is the odd one out: 89, 11, 28, 83? (a) 89 (b) 11 (c) 28 (d) 83
37. 37.Which number is the odd one out: 47, 53, 29, 92? (a) 47 (b) 53 (c) 29 (d) 92
38. 38.Which number is the odd one out: 47, 35, 53, 97? (a) 47 (b) 35 (c) 53 (d) 97
39. 39.Which number is the odd one out: 11, 79, 12, 41? (a) 11 (b) 79 (c) 12 (d) 41
40. 40.Which number is the odd one out: 71, 31, 43, 18? (a) 71 (b) 31 (c) 43 (d) 18

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