General Aptitude - 64, 54, 42, 31, 20 find the odd man out?

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64, 54, 42, 31, 20 find the odd man out?

Total Answers and Comments: 22

Last Update: December 10, 2008

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Submitted by: LG

54 --> 53

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May 27, 2005 09:13:43

sruesh

RE: 64, 54, 42, 31, 20 find the odd man out?

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August 23, 2005 00:40:24

RE: 64, 54, 42, 31, 20 find the odd man out?

54 --> 53

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August 23, 2005 05:30:53

raj

RE: 64, 54, 42, 31, 20 find the odd man out?

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September 27, 2005 13:17:54

rakhel parida

RE: 64, 54, 42, 31, 20 find the odd man o...

31 b'coz rest all r odd numbers

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January 27, 2006 21:25:48

Danny John

RE: 64, 54, 42, 31, 20 find the odd man o...

31 because that is the only prime number

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January 31, 2006 05:47:08

vanivenukoti

RE: 64, 54, 42, 31, 20 find the odd man o...

31 it is a prime number.

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February 01, 2006 12:26:30

Paul M

RE: 64, 54, 42, 31, 20 find the odd man o...

You are right however; for the wrong reason. See the pattern like so...6 -- 5 -- 4 -- 3 -- 2 -- (cont) 1 ****** Decrement --14 -- 4 -- 2 --(2) -- 0 -- (cont) 0 ****** Decrement --2 every other one.31 is out since it is supposed to be 32. Intel Inc. is big on patterns.Regards Paul

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April 12, 2006 07:02:08

byadwad

Member Since: April 2006 Contribution: 6

RE: 64, 54, 42, 31, 20 find the odd man o...

31 is odd number and rest all are even numbers.

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April 27, 2006 04:59:26

Swaroop kumar dey

RE: 64, 54, 42, 31, 20 find the odd man o...

54 because

64-11 53

53-11 42

42-11 31

31-11 20

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April 28, 2006 20:28:16

#10

Ehab Ababneh

RE: 64, 54, 42, 31, 20 find the odd man o...

Hi there!!!.31: is odd.31: is prime.20: is equal to 20 (itself) when rounded up.64: is a power of 2 (2^6).64: 8*8 is 64.64: 4*4*4 is 64.54: see the pattern in the second digit: 2->3->4->5->6 and 54 breaks the sequence in the pattern in for the first digit: 0->1->2->4->454: is composed of an odd digit (5) and an even digit (4). The others are composed of either even digits or 2 odd digits.42: is the only number that is composed of a digit and its square 2 and (2^2 4).anyone else has any ideas?....

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