Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 43 · 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: 53, 74, 23, 29? (a) 53 (b) 74 (c) 23 (d) 29
2. 2.Which number is the odd one out: 78, 10, 75, 65? (a) 78 (b) 10 (c) 75 (d) 65
3. 3.Which number is the odd one out: 71, 18, 37, 31? (a) 71 (b) 18 (c) 37 (d) 31
4. 4.Which number is the odd one out: 53, 11, 18, 83? (a) 53 (b) 11 (c) 18 (d) 83
5. 5.Which number is the odd one out: 15, 90, 27, 18? (a) 15 (b) 90 (c) 27 (d) 18
6. 6.Which number is the odd one out: 97, 2, 37, 22? (a) 97 (b) 2 (c) 37 (d) 22
7. 7.Which number is the odd one out: 2, 18, 79, 3? (a) 2 (b) 18 (c) 79 (d) 3
8. 8.Which number is the odd one out: 31, 2, 24, 19? (a) 31 (b) 2 (c) 24 (d) 19
9. 9.Which number is the odd one out: 95, 10, 59, 61? (a) 95 (b) 10 (c) 59 (d) 61
10. 10.Which number is the odd one out: 31, 83, 38, 37? (a) 31 (b) 83 (c) 38 (d) 37
11. 11.Which number is the odd one out: 85, 23, 43, 13? (a) 85 (b) 23 (c) 43 (d) 13
12. 12.Which number is the odd one out: 19, 43, 23, 40? (a) 19 (b) 43 (c) 23 (d) 40
13. 13.Which number is the odd one out: 5, 16, 40, 64? (a) 5 (b) 16 (c) 40 (d) 64
14. 14.Which number is the odd one out: 43, 67, 24, 71? (a) 43 (b) 67 (c) 24 (d) 71
15. 15.Which number is the odd one out: 43, 23, 19, 12? (a) 43 (b) 23 (c) 19 (d) 12
16. 16.Which number is the odd one out: 63, 53, 7, 89? (a) 63 (b) 53 (c) 7 (d) 89
17. 17.Which number is the odd one out: 40, 89, 5, 67? (a) 40 (b) 89 (c) 5 (d) 67
18. 18.Which number is the odd one out: 29, 75, 67, 97? (a) 29 (b) 75 (c) 67 (d) 97
19. 19.Which number is the odd one out: 14, 42, 48, 98? (a) 14 (b) 42 (c) 48 (d) 98
20. 20.Which number is the odd one out: 68, 71, 13, 53? (a) 68 (b) 71 (c) 13 (d) 53
21. 21.Which number is the odd one out: 19, 43, 12, 37? (a) 19 (b) 43 (c) 12 (d) 37
22. 22.Which number is the odd one out: 12, 88, 80, 40? (a) 12 (b) 88 (c) 80 (d) 40
23. 23.Which number is the odd one out: 43, 51, 59, 53? (a) 43 (b) 51 (c) 59 (d) 53
24. 24.Which number is the odd one out: 66, 48, 24, 73? (a) 66 (b) 48 (c) 24 (d) 73
25. 25.Which number is the odd one out: 80, 26, 8, 40? (a) 80 (b) 26 (c) 8 (d) 40
26. 26.Which number is the odd one out: 8, 13, 29, 67? (a) 8 (b) 13 (c) 29 (d) 67
27. 27.Which number is the odd one out: 92, 57, 39, 33? (a) 92 (b) 57 (c) 39 (d) 33
28. 28.Which number is the odd one out: 2, 40, 5, 41? (a) 2 (b) 40 (c) 5 (d) 41
29. 29.Which number is the odd one out: 65, 19, 5, 95? (a) 65 (b) 19 (c) 5 (d) 95
30. 30.Which number is the odd one out: 6, 30, 66, 20? (a) 6 (b) 30 (c) 66 (d) 20
31. 31.Which number is the odd one out: 5, 35, 67, 79? (a) 5 (b) 35 (c) 67 (d) 79
32. 32.Which number is the odd one out: 11, 45, 53, 67? (a) 11 (b) 45 (c) 53 (d) 67
33. 33.Which number is the odd one out: 79, 17, 82, 43? (a) 79 (b) 17 (c) 82 (d) 43
34. 34.Which number is the odd one out: 71, 41, 16, 47? (a) 71 (b) 41 (c) 16 (d) 47
35. 35.Which number is the odd one out: 79, 47, 35, 41? (a) 79 (b) 47 (c) 35 (d) 41
36. 36.Which number is the odd one out: 63, 96, 6, 48? (a) 63 (b) 96 (c) 6 (d) 48
37. 37.Which number is the odd one out: 23, 67, 79, 52? (a) 23 (b) 67 (c) 79 (d) 52
38. 38.Which number is the odd one out: 43, 49, 89, 37? (a) 43 (b) 49 (c) 89 (d) 37
39. 39.Which number is the odd one out: 60, 73, 47, 61? (a) 60 (b) 73 (c) 47 (d) 61
40. 40.Which number is the odd one out: 43, 19, 95, 11? (a) 43 (b) 19 (c) 95 (d) 11

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