Question
Five persons S, T, U, V, and W, live on five different
floors of a building such that bottommost floor is numbered as 1, the floor immediately above it is numbered as 2 and so on. S lives on an even number floor. W lives two floors below S. V doesn't live adjacent to W. U doesn't live on the 3rd floor. Who among the following persons lives three floors above U?Solution
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What is the average of the squares of the first 47 natural numbers?
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