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Source: — Data Sufficiency |
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by aroon7 » Sun Jan 25, 2009 10:54 pm
1*2*3*4*5*6*7*8 = (2^6)(3^2)(5)(7)

1) says a^n = 64
2^6 = 64; a = 2; n = 6. suff

2) n = 6. so a = 2. suff

D
what is the OA?
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by Zipper » Sun Jan 25, 2009 11:38 pm
in 1 we could also have a=8 and n=2 or a=4 and n=4.

so i guess we can't know what the value of A will be.

2 is sufficient

So B.
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by piyush_nitt » Mon Jan 26, 2009 8:49 pm
[quote="Zipper"]in 1 we could also have a=8 and n=2 or a=4 and n=4.

so i guess we can't know what the value of A will be.

2 is sufficient

So B.[/quote]

OA Is B

Thanks for all help!
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