A developer is planning to build a housing complex on an empty tract of land. Exactly seven different styles of houses- Q, R, S, T, W, X, and Z - will be built in the complex. The complex will contain several blocks, and the developer plans to put houses of at least three different styles on each block. The ... W, and X only ? S, T and X T, X and Z R, S, X and Z S, T, W and X T, W, X and Z.
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Sep 18, 2015
in Logical Reasoning
makhdoom ghaya
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