Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 808 · 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: 90, 78, 18, 35? (a) 90 (b) 78 (c) 18 (d) 35
2. 2.Which number is the odd one out: 33, 37, 53, 84? (a) 33 (b) 37 (c) 53 (d) 84
3. 3.Which number is the odd one out: 8, 96, 5, 24? (a) 8 (b) 96 (c) 5 (d) 24
4. 4.Which number is the odd one out: 41, 83, 89, 40? (a) 41 (b) 83 (c) 89 (d) 40
5. 5.Which number is the odd one out: 47, 23, 69, 61? (a) 47 (b) 23 (c) 69 (d) 61
6. 6.Which number is the odd one out: 41, 16, 53, 71? (a) 41 (b) 16 (c) 53 (d) 71
7. 7.Which number is the odd one out: 79, 29, 53, 93? (a) 79 (b) 29 (c) 53 (d) 93
8. 8.Which number is the odd one out: 19, 25, 17, 5? (a) 19 (b) 25 (c) 17 (d) 5
9. 9.Which number is the odd one out: 14, 29, 89, 73? (a) 14 (b) 29 (c) 89 (d) 73
10. 10.Which number is the odd one out: 3, 87, 39, 89? (a) 3 (b) 87 (c) 39 (d) 89
11. 11.Which number is the odd one out: 67, 89, 47, 70? (a) 67 (b) 89 (c) 47 (d) 70
12. 12.Which number is the odd one out: 24, 43, 83, 3? (a) 24 (b) 43 (c) 83 (d) 3
13. 13.Which number is the odd one out: 26, 92, 68, 52? (a) 26 (b) 92 (c) 68 (d) 52
14. 14.Which number is the odd one out: 83, 26, 73, 41? (a) 83 (b) 26 (c) 73 (d) 41
15. 15.Which number is the odd one out: 87, 53, 47, 42? (a) 87 (b) 53 (c) 47 (d) 42
16. 16.Which number is the odd one out: 85, 18, 90, 27? (a) 85 (b) 18 (c) 90 (d) 27
17. 17.Which number is the odd one out: 69, 29, 47, 19? (a) 69 (b) 29 (c) 47 (d) 19
18. 18.Which number is the odd one out: 53, 31, 38, 61? (a) 53 (b) 31 (c) 38 (d) 61
19. 19.Which number is the odd one out: 24, 2, 96, 78? (a) 24 (b) 2 (c) 96 (d) 78
20. 20.Which number is the odd one out: 39, 97, 61, 37? (a) 39 (b) 97 (c) 61 (d) 37
21. 21.Which number is the odd one out: 83, 55, 53, 10? (a) 83 (b) 55 (c) 53 (d) 10
22. 22.Which number is the odd one out: 89, 37, 49, 13? (a) 89 (b) 37 (c) 49 (d) 13
23. 23.Which number is the odd one out: 43, 16, 71, 13? (a) 43 (b) 16 (c) 71 (d) 13
24. 24.Which number is the odd one out: 19, 93, 3, 47? (a) 19 (b) 93 (c) 3 (d) 47
25. 25.Which number is the odd one out: 30, 41, 31, 5? (a) 30 (b) 41 (c) 31 (d) 5
26. 26.Which number is the odd one out: 12, 3, 59, 97? (a) 12 (b) 3 (c) 59 (d) 97
27. 27.Which number is the odd one out: 2, 97, 98, 73? (a) 2 (b) 97 (c) 98 (d) 73
28. 28.Which number is the odd one out: 30, 23, 41, 2? (a) 30 (b) 23 (c) 41 (d) 2
29. 29.Which number is the odd one out: 10, 59, 67, 19? (a) 10 (b) 59 (c) 67 (d) 19
30. 30.Which number is the odd one out: 20, 11, 17, 73? (a) 20 (b) 11 (c) 17 (d) 73
31. 31.Which number is the odd one out: 76, 7, 52, 58? (a) 76 (b) 7 (c) 52 (d) 58
32. 32.Which number is the odd one out: 16, 64, 51, 4? (a) 16 (b) 64 (c) 51 (d) 4
33. 33.Which number is the odd one out: 28, 56, 45, 40? (a) 28 (b) 56 (c) 45 (d) 40
34. 34.Which number is the odd one out: 67, 53, 23, 81? (a) 67 (b) 53 (c) 23 (d) 81
35. 35.Which number is the odd one out: 92, 59, 13, 41? (a) 92 (b) 59 (c) 13 (d) 41
36. 36.Which number is the odd one out: 96, 24, 48, 91? (a) 96 (b) 24 (c) 48 (d) 91
37. 37.Which number is the odd one out: 67, 29, 3, 18? (a) 67 (b) 29 (c) 3 (d) 18
38. 38.Which number is the odd one out: 47, 29, 99, 79? (a) 47 (b) 29 (c) 99 (d) 79
39. 39.Which number is the odd one out: 60, 91, 21, 28? (a) 60 (b) 91 (c) 21 (d) 28
40. 40.Which number is the odd one out: 8, 16, 64, 21? (a) 8 (b) 16 (c) 64 (d) 21

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