Odd Man Out and Series By Raju Makwana
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Odd Man Out And Series
Prepared By: Raju Makwana
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1. 22, 33, 66, 99, 121, 279, 594
Solution : Each Number except 279 is a multiple of 11
A. 22 C. 279B. 33 D. 594
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2. 36, 54, 18, 27, 9, 18.5, 4.5
Solution:The terms are alternatively multiplied by 1.5
and devided by 3. However 18.5 does not satisfy it
A. 18 C. 27B. 18.5 D. 54
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3. 582, 605, 588, 611, 634, 617, 600
Solution :Alternatively 23 is added and 17 is subtracted
from the terms. So, 634 is wrong.
A. 634 C. 588B. 617 D. 611
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4. 3, 10, 21, 36, 55, 70, 105
Solution: The pattern is 1x3, 2x5, 3x7, 4x9, 5x11, 6x13,
7x15 etc
A. 21 C. 55B. 36 D. 70
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5. 8, 27, 125, 343, 1331
Solution:The numbers are cubes of primes i.e cubes of
(2, 3, 5, 7, 11 ). so none is wrong
A. 27 C. None Of AboveB. 125 D. 343
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6. 125, 123, 120, 115, 108, 100, 84
Solution: Prime numbers 2, 3, 5, 7, 11, 13 have successively been
subtracted. So, 100 is wrong (108-11=97)
A. 125 C. 108B. 115 D. 100
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7. 8, 13, 21, 32, 47, 63, 83
Solution :Go on adding 5, 8, 11, 14, 17, 20. So number 47 is
wrong
A. 13 C. 47B. 21 D. 63
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8. 5, 16, 6, 16, 7, 16, 9
Solution : Terms at odd places are 5, 6, 7, 8 etc and each
term at even place is 16. so, 9 is wrong
A. 16 C. 9B. 6 D. 7
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9. 1, 8, 27, 64, 124, 216, 343
Solution : The nubers are cubes of (1,2,3,4 etc)
A. 124 C. 27B. 216 D. 64
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10. 46080, 3840, 384, 48, 24, 2, 1
Solution:The terms are successively divided by 12, 10,
8, 6,....etc. So, 24 is wrong
A. 3804 C. 2B. 384 D. 24
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