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Aptitude Odd Man Out Series Practice Q&A - Easy

2601.3, 5, 11, 14, 17, 21
21
17
14
3
Explanation:

Each of the numbers except 14 is an odd number.

The number 14 is the only EVEN number.

2602.8, 27, 64, 100, 125, 216, 343
27
100
125
343
Explanation:

The pattern is 23, 33, 43, 53, 63, 73. But, 100 is not a perfect cube.

2603.10, 25, 45, 54, 60, 75, 80
10
45
54
75
Explanation:

Each of the numbers except 54 is multiple of 5.

2606.1, 4, 9, 16, 23, 25, 36
9
23
25
36
Explanation:

Each of the numbers except 23, is perfect square.

2607.1, 4, 9, 16, 20, 36, 49
1
9
20
49
Explanation:

The pattern is 12, 22, 32, 42, 52, 62, 72. But, instead of 52, it is 20 which to be turned out

.
2609.10, 14, 16, 18, 21, 24, 26
26
24
21
18
Explanation:

Each of the numbers except 21 is an even number.

2610.16, 25, 36, 72, 144, 196, 225
36
72
196
225
Explanation:

Each of the numbers except 72 is a perfect square.

2614.3, 5, 7, 12, 17, 19
19
17
5
12
Explanation:

Each of the numbers is a prime number except 12.

2617.Find the odd man out. 1, 27, 216, 512, 1024, 1331
1024
512
27
1
Explanation:

All given numbers except 1024 are perfect cubes

2619.Find the odd man out. 2, 3, 5, 9, 12, 17, 23
12
9
23
2
Explanation:

2 + 1 = 3

3 + 2 = 5

5 + 3 = 8

8 + 4 = 12

12 + 5 = 17

17 + 6 = 23

ie, 8 should have come in place of 9

44444.Find the odd one out.
41,43,47,53,61,71,73,81
43
61
81
41
Explanation:

In the above series all elements except 81 are prime numbers.so 81 is odd one.
44445.Find the odd one out.
3,5,7,12,17,19
7
19
3
12
Explanation:

In the above series except 12 all elements are odd
numbers.so 12 is the odd one.
44446.Find the odd one out.
1,4,9,16,23,25,36
23
9
16
1
Explanation:

In the above series all elements except 23 are
perfect sqares.so 23 is odd one.
44447.Find the odd one out.
8,27,64,100,125,216,343
27
100
216
64
Explanation:

In the above series all elements except 100 are
perfect cubes.so 100 is odd one.
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