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if <a<b<c<d and a,b,c,d all are all positive

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CEO
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if [#permalink] New post 01 Oct 2003, 22:52
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if <a<b<c<d and a,b,c,d all are all positive multiple of 2, what is the value of d =?

1)a+b+c+d=170
2)abcd=2^16


thanks
praetorian
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 [#permalink] New post 02 Oct 2003, 16:50
My answer is C.

I) 2+4+6+158 or 2+4+8+156 ... so not suff.

II) (2)*(2^2)*(2^3)*(2^10) or (2^2)*(2^3)*(2^4)*(2^7) ... so not suff

If you put them together the only possible solution is:

(2)*(2^3)*(2^5)*(2^7) ~ 2+8+32+128 = 170
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 [#permalink] New post 05 Oct 2003, 20:12
Yes, C is the answer, you just have to pick numbers.
  [#permalink] 05 Oct 2003, 20:12
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