Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 603 · 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: 47, 37, 90, 2? (a) 47 (b) 37 (c) 90 (d) 2
2. 2.Which number is the odd one out: 79, 44, 61, 31? (a) 79 (b) 44 (c) 61 (d) 31
3. 3.Which number is the odd one out: 61, 83, 52, 89? (a) 61 (b) 83 (c) 52 (d) 89
4. 4.Which number is the odd one out: 8, 88, 76, 29? (a) 8 (b) 88 (c) 76 (d) 29
5. 5.Which number is the odd one out: 42, 17, 2, 37? (a) 42 (b) 17 (c) 2 (d) 37
6. 6.Which number is the odd one out: 24, 89, 32, 96? (a) 24 (b) 89 (c) 32 (d) 96
7. 7.Which number is the odd one out: 98, 35, 87, 70? (a) 98 (b) 35 (c) 87 (d) 70
8. 8.Which number is the odd one out: 44, 12, 42, 28? (a) 44 (b) 12 (c) 42 (d) 28
9. 9.Which number is the odd one out: 32, 64, 16, 53? (a) 32 (b) 64 (c) 16 (d) 53
10. 10.Which number is the odd one out: 54, 2, 19, 11? (a) 54 (b) 2 (c) 19 (d) 11
11. 11.Which number is the odd one out: 8, 88, 64, 25? (a) 8 (b) 88 (c) 64 (d) 25
12. 12.Which number is the odd one out: 83, 64, 47, 61? (a) 83 (b) 64 (c) 47 (d) 61
13. 13.Which number is the odd one out: 67, 87, 43, 59? (a) 67 (b) 87 (c) 43 (d) 59
14. 14.Which number is the odd one out: 97, 38, 11, 37? (a) 97 (b) 38 (c) 11 (d) 37
15. 15.Which number is the odd one out: 13, 23, 84, 59? (a) 13 (b) 23 (c) 84 (d) 59
16. 16.Which number is the odd one out: 2, 13, 29, 26? (a) 2 (b) 13 (c) 29 (d) 26
17. 17.Which number is the odd one out: 16, 11, 73, 97? (a) 16 (b) 11 (c) 73 (d) 97
18. 18.Which number is the odd one out: 89, 61, 94, 19? (a) 89 (b) 61 (c) 94 (d) 19
19. 19.Which number is the odd one out: 87, 53, 29, 12? (a) 87 (b) 53 (c) 29 (d) 12
20. 20.Which number is the odd one out: 71, 19, 59, 9? (a) 71 (b) 19 (c) 59 (d) 9
21. 21.Which number is the odd one out: 15, 20, 89, 3? (a) 15 (b) 20 (c) 89 (d) 3
22. 22.Which number is the odd one out: 71, 46, 79, 43? (a) 71 (b) 46 (c) 79 (d) 43
23. 23.Which number is the odd one out: 96, 3, 48, 37? (a) 96 (b) 3 (c) 48 (d) 37
24. 24.Which number is the odd one out: 89, 77, 53, 73? (a) 89 (b) 77 (c) 53 (d) 73
25. 25.Which number is the odd one out: 41, 45, 90, 18? (a) 41 (b) 45 (c) 90 (d) 18
26. 26.Which number is the odd one out: 11, 9, 83, 31? (a) 11 (b) 9 (c) 83 (d) 31
27. 27.Which number is the odd one out: 71, 68, 47, 61? (a) 71 (b) 68 (c) 47 (d) 61
28. 28.Which number is the odd one out: 19, 26, 61, 67? (a) 19 (b) 26 (c) 61 (d) 67
29. 29.Which number is the odd one out: 61, 89, 28, 7? (a) 61 (b) 89 (c) 28 (d) 7
30. 30.Which number is the odd one out: 37, 97, 98, 59? (a) 37 (b) 97 (c) 98 (d) 59
31. 31.Which number is the odd one out: 57, 97, 3, 14? (a) 57 (b) 97 (c) 3 (d) 14
32. 32.Which number is the odd one out: 93, 30, 37, 5? (a) 93 (b) 30 (c) 37 (d) 5
33. 33.Which number is the odd one out: 43, 23, 61, 30? (a) 43 (b) 23 (c) 61 (d) 30
34. 34.Which number is the odd one out: 28, 36, 49, 77? (a) 28 (b) 36 (c) 49 (d) 77
35. 35.Which number is the odd one out: 48, 59, 96, 24? (a) 48 (b) 59 (c) 96 (d) 24
36. 36.Which number is the odd one out: 48, 96, 24, 14? (a) 48 (b) 96 (c) 24 (d) 14
37. 37.Which number is the odd one out: 29, 27, 79, 47? (a) 29 (b) 27 (c) 79 (d) 47
38. 38.Which number is the odd one out: 10, 47, 5, 89? (a) 10 (b) 47 (c) 5 (d) 89
39. 39.Which number is the odd one out: 63, 61, 83, 37? (a) 63 (b) 61 (c) 83 (d) 37
40. 40.Which number is the odd one out: 66, 24, 96, 3? (a) 66 (b) 24 (c) 96 (d) 3

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