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In the diagram above each of the letters represents one of the digits

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In the diagram above each of the letters represents one of the digits  [#permalink]

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New post 06 Apr 2017, 00:46
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  55% (hard)

Question Stats:

64% (02:32) correct 36% (02:10) wrong based on 69 sessions

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In the diagram above each of the letters represents one of the digits between 5 and 9. If each row and each column must be filled with distinct digits, what is the sum of w, b and c?

(1) b = 7
(2) l = 8

Attachment:
image001.gif
image001.gif [ 625 Bytes | Viewed 905 times ]

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Re: In the diagram above each of the letters represents one of the digits  [#permalink]

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New post 06 Apr 2017, 06:22
w + b + c = ?

St1: b = 7 --> 'w' can be 7 or any other integer. 'c' can be any integer other than '7'
Not Sufficient

St2: l = 8 --> w can be 8 or any other integer. w + b + c can have multiple values.
Not Sufficient

Combining St1 and St2, w can be 7 or 8 or any integer. 'c' can be any integer other than 7.
w + b + c cannot be determined.
Not Sufficient

Answer: E
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Re: In the diagram above each of the letters represents one of the digits  [#permalink]

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New post 06 Apr 2017, 12:29
Bunuel wrote:
Image
In the diagram above each of the letters represents one of the digits between 5 and 9. If each row and each column must be filled with distinct digits, what is the sum of w, b and c?

(1) b = 7
(2) l = 8

Attachment:
image001.gif


Does this mean we can consider rows and columns separately or for any cell we have to consider both the columns and rows?

For example, do w,a,k,x,z all need to be unique or just (w,x,z), and (w,a,k)
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Re: In the diagram above each of the letters represents one of the digits  [#permalink]

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New post 06 Apr 2017, 19:02
ar500 wrote:

Does this mean we can consider rows and columns separately or for any cell we have to consider both the columns and rows?

For example, do w,a,k,x,z all need to be unique or just (w,x,z), and (w,a,k)


Elements in each row and column have to be unique. If you consider the row and column containing w, then (w, x, z) and (w, a, k) have to be unique. w, a, k, x and z may or may not be unique. Its similar to Sudoku!
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Re: In the diagram above each of the letters represents one of the digits &nbs [#permalink] 06 Apr 2017, 19:02
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In the diagram above each of the letters represents one of the digits

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