Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 279 · 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: 89, 29, 65, 17? (a) 89 (b) 29 (c) 65 (d) 17
2. 2.Which number is the odd one out: 83, 80, 53, 73? (a) 83 (b) 80 (c) 53 (d) 73
3. 3.Which number is the odd one out: 73, 56, 89, 47? (a) 73 (b) 56 (c) 89 (d) 47
4. 4.Which number is the odd one out: 13, 92, 37, 43? (a) 13 (b) 92 (c) 37 (d) 43
5. 5.Which number is the odd one out: 41, 47, 20, 43? (a) 41 (b) 47 (c) 20 (d) 43
6. 6.Which number is the odd one out: 77, 96, 48, 66? (a) 77 (b) 96 (c) 48 (d) 66
7. 7.Which number is the odd one out: 48, 91, 24, 66? (a) 48 (b) 91 (c) 24 (d) 66
8. 8.Which number is the odd one out: 9, 44, 74, 52? (a) 9 (b) 44 (c) 74 (d) 52
9. 9.Which number is the odd one out: 48, 82, 8, 96? (a) 48 (b) 82 (c) 8 (d) 96
10. 10.Which number is the odd one out: 61, 17, 2, 54? (a) 61 (b) 17 (c) 2 (d) 54
11. 11.Which number is the odd one out: 11, 47, 2, 59? (a) 11 (b) 47 (c) 2 (d) 59
12. 12.Which number is the odd one out: 48, 52, 59, 24? (a) 48 (b) 52 (c) 59 (d) 24
13. 13.Which number is the odd one out: 79, 31, 88, 73? (a) 79 (b) 31 (c) 88 (d) 73
14. 14.Which number is the odd one out: 30, 96, 10, 50? (a) 30 (b) 96 (c) 10 (d) 50
15. 15.Which number is the odd one out: 3, 17, 67, 6? (a) 3 (b) 17 (c) 67 (d) 6
16. 16.Which number is the odd one out: 80, 78, 40, 24? (a) 80 (b) 78 (c) 40 (d) 24
17. 17.Which number is the odd one out: 72, 99, 24, 55? (a) 72 (b) 99 (c) 24 (d) 55
18. 18.Which number is the odd one out: 65, 3, 55, 15? (a) 65 (b) 3 (c) 55 (d) 15
19. 19.Which number is the odd one out: 2, 23, 13, 70? (a) 2 (b) 23 (c) 13 (d) 70
20. 20.Which number is the odd one out: 21, 7, 6, 89? (a) 21 (b) 7 (c) 6 (d) 89
21. 21.Which number is the odd one out: 59, 61, 79, 54? (a) 59 (b) 61 (c) 79 (d) 54
22. 22.Which number is the odd one out: 88, 32, 74, 44? (a) 88 (b) 32 (c) 74 (d) 44
23. 23.Which number is the odd one out: 65, 42, 95, 39? (a) 65 (b) 42 (c) 95 (d) 39
24. 24.Which number is the odd one out: 71, 31, 46, 97? (a) 71 (b) 31 (c) 46 (d) 97
25. 25.Which number is the odd one out: 57, 31, 42, 23? (a) 57 (b) 31 (c) 42 (d) 23
26. 26.Which number is the odd one out: 71, 31, 53, 10? (a) 71 (b) 31 (c) 53 (d) 10
27. 27.Which number is the odd one out: 31, 97, 94, 89? (a) 31 (b) 97 (c) 94 (d) 89
28. 28.Which number is the odd one out: 61, 2, 16, 13? (a) 61 (b) 2 (c) 16 (d) 13
29. 29.Which number is the odd one out: 11, 41, 61, 10? (a) 11 (b) 41 (c) 61 (d) 10
30. 30.Which number is the odd one out: 71, 29, 3, 81? (a) 71 (b) 29 (c) 3 (d) 81
31. 31.Which number is the odd one out: 59, 61, 90, 65? (a) 59 (b) 61 (c) 90 (d) 65
32. 32.Which number is the odd one out: 2, 26, 13, 79? (a) 2 (b) 26 (c) 13 (d) 79
33. 33.Which number is the odd one out: 66, 43, 11, 79? (a) 66 (b) 43 (c) 11 (d) 79
34. 34.Which number is the odd one out: 69, 25, 6, 66? (a) 69 (b) 25 (c) 6 (d) 66
35. 35.Which number is the odd one out: 71, 67, 75, 43? (a) 71 (b) 67 (c) 75 (d) 43
36. 36.Which number is the odd one out: 31, 67, 80, 29? (a) 31 (b) 67 (c) 80 (d) 29
37. 37.Which number is the odd one out: 18, 35, 54, 90? (a) 18 (b) 35 (c) 54 (d) 90
38. 38.Which number is the odd one out: 46, 96, 32, 24? (a) 46 (b) 96 (c) 32 (d) 24
39. 39.Which number is the odd one out: 47, 33, 97, 17? (a) 47 (b) 33 (c) 97 (d) 17
40. 40.Which number is the odd one out: 96, 43, 29, 37? (a) 96 (b) 43 (c) 29 (d) 37

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