Odd Man Out And Series MCQ’S

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

Answer: Option C
Solution:

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

Answer: Option B
Solution:

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

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

Answer: Option C
Solution:

Each of the numbers except 54 is multiple of 5.

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

Answer: Option B
Solution:

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

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

Answer: Option A
Solution:

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

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

Answer: Option B
Solution:

Each of the numbers except 23, is perfect square.

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

Answer: Option C
Solution:

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

Answer: Option D
Solution:

(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

Answer: Option C
Solution:

Each of the numbers except 21 is an even number.

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

Answer: Option B
Solution:

Each of the numbers except 72 is a perfect square.

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