Directions to Solve: Find the odd man out from the below questions.

**1. 3, 5, 11, 14, 17, 21**

A. 21

B. 17

C. 14

D. 3

Answer: Option C

Explanation:

Each of the numbers except 14 is an odd number.

The number ’14’ is the only EVEN number.

**2. 8, 27, 64, 100, 125, 216, 343**

A. 27

B. 100

C. 125

D. 343

Answer: Option B

Explanation:

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

**3. 10, 25, 45, 54, 60, 75, 80**

A. 10

B. 45

C. 54

D. 75

Answer: Option C

Explanation:

Each of the numbers except 54 is multiple of 5.

**4. 396, 462, 572, 427, 671, 264**

A. 396

B. 427

C. 671

D. 264

Answer: Option B

Explanation:

In each number except 427, the middle digit is the sum of other two.

**5. 6, 9, 15, 21, 24, 28, 30**

A. 28

B. 21

C. 24

D. 30

Answer: Option A

Explanation:

Each of the numbers except 28, is a multiple of 3.

**6. 1, 4, 9, 16, 23, 25, 36**

A. 9

B. 23

C. 25

D. 36

Answer: Option B

Explanation:

Each of the numbers except 23, is perfect square.

**7. 1, 4, 9, 16, 20, 36, 49**

A. 1

B. 9

C. 20

D. 49

Answer: Option C

Explanation:

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

**8. 2, 5, 10, 17, 26, 37, 50, 64**

A. 50

B. 26

C. 37

D. 64

Answer: Option D

Explanation:

(1*1)+1 , (2*2)+1 , (3*3)+1 , (4*4)+1 , (5*5)+1 , (6*6)+1 , (7*7)+1 , (8*8)+1

But, 64 is out of pattern.

**9. 10, 14, 16, 18, 21, 24, 26**

A. 26

B. 24

C. 21

D. 18

Answer: Option C

Explanation:

Each of the numbers except 21 is an even number.

**10. 16, 25, 36, 72, 144, 196, 225**

A. 36

B. 72

C. 196

D. 225

Answer: Option B

Explanation:

Each of the numbers except 72 is a perfect square.

**11. 331, 482, 551, 263, 383, 362, 284**

A. 263

B. 383

C. 331

D. 551

Answer: Option B

Explanation:

In each number except 383, the product of first and third digits is the middle one.

**12. 835, 734, 642, 751, 853, 981, 532**

A. 751

B. 853

C. 981

D. 532

Answer: Option A

Explanation:

In each number except 751, the difference of third and first digit is the middle one.

**13. 41, 43, 47, 53, 61, 71, 73, 81**

A. 61

B. 71

C. 73

D. 81

Answer: Option D

Explanation:

Each of the numbers except 81 is a prime number.

**14. 3, 5, 7, 12, 17, 19**

A. 19

B. 17

C. 5

D. 12

Answer: Option D

Explanation:

Each of the numbers is a prime number except 12.