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## Monday, 9 October 2017

1. Find the odd man out. 1, 3, 9, 12, 19, 29
A. 12    B. 9    C. 1    D. 3
Explanation :
12 is an even number. All other given
numbers are odd

2. Find the odd man out. 24,36,52,72,96
A. 72          B. 52         C. 36         D. 24
Explanation :
All except 52 are multiples of 6

3.  Find the odd man out. 1, 8, 27, 64, 125, 196, 216, 343
A. 64              B. 196           C. 216          D. 1
Explanation :
The pattern is 1³, 2³, 3³, 4³, 5³, 6³, 7³
196 is not a perfect cube

4. Find the odd man out. 15, 25, 30, 51, 85, 90, 115
A. 15          B. 25           C. 51            D. 90
Explanation :
All except 51 are multiples of 5

5. Find the odd man out. 187, 264, 386, 473, 682, 781
A. 386         B. 187          C. 781        D. 682
Explanation :
In all numbers except 386, the middle digit is the sum of other two digits.

6. Find the odd man out. 12, 24, 34, 48, 64, 84
A. 48         B. 34          C. 24        D. 12
Explanation :
All numbers except 34 are multiples of 4

7. Find the odd man out. 362, 482, 551, 263, 344, 284
A. 362          B. 482          C. 551          D. 344
Explanation :
In all numbers except 344, the product of first and third digits is the middle digit.

8. Find the odd man out. 742, 743, 633, 853, 871, 990, 532
A. 532          B. 990         C. 633         D. 742
Explanation :
In all numbers except 742, the difference of third and first digit is the middle digit.

9. Find the odd man out. 6, 13, 18, 25, 30, 37, 40
A. 40                 B. 30                C. 37              D. 25
Explanation :
The difference between two successive terms from the beginning are 7, 5, 7, 5, 7, 5
Hence, in place of 40, right number is 37+5=42

10. Find the odd man out. 445, 221, 109, 46, 25, 11, 4
A. 25               B. 109             C. 46          D. 221
Explanation :
To obtain next number, subtract 3 from the previous number and divide the result by 2
445
(445-3)/2 = 221
(221-3)/2 = 109
(109-3)/2 = 53
(53-3)/2 = 25
(25-3)/2 = 11
(11-3)/2 = 4
Clearly, 53 should have come in place of 46
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