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# Which of the following fractios has the greatest value? (a).

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Director
Joined: 10 Feb 2006
Posts: 664
Followers: 3

Kudos [?]: 118 [0], given: 0

Which of the following fractios has the greatest value? (a). [#permalink]  15 Jul 2007, 07:46
Which of the following fractios has the greatest value?

(a). 6/2^2 *5 ^2
(b). 1 / 2 ^ 3 * 5 ^ 2
(c). 28 / 2 ^ 2 * 5 ^ 3
(d). 62 / 2 ^ 3 * 5 ^ 3
(e). 122 / 2 ^ 4 * 5 ^ 3

Please provide the shortest way to solve this one. Thanks
_________________

GMAT the final frontie!!!.

Director
Joined: 10 Feb 2006
Posts: 664
Followers: 3

Kudos [?]: 118 [0], given: 0

Which of the following fractions has the greatest value?

(a). 6 / 2^2 *5 ^2
(b). 1 / 2 ^ 3 * 5 ^ 2
(c). 28 / 2 ^ 2 * 5 ^ 3
(d). 62 / 2 ^ 3 * 5 ^ 3
(e). 122 / 2 ^ 4 * 5 ^ 3

Please provide the shortest way to solve this one. Thanks
_________________

GMAT the final frontie!!!.

Manager
Joined: 07 Jul 2007
Posts: 126
Followers: 1

Kudos [?]: 4 [0], given: 0

D
take one and start comparing its value with otherone and discard the one that is small and then compare the bigger one with next choice.....and continue till you get the last one.......
Senior Manager
Joined: 28 Feb 2007
Posts: 306
Followers: 1

Kudos [?]: 32 [0], given: 0

IMO, Shortest is making denominators same (2^3*5^3) and compare numerators:

A. 60
B.5
C.56
D.62
E.61
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