Question
Six persons (H, I, J, K, L, and M) live on different
floors of a six-floor building. The bottommost floor is numbered as 1 and the topmost floor is numbered as 6. H lives on 3rd floor. One person lives between H and I. K lives three floors above J. J doesn’t live on 1st floor. How many persons live between L and M?Solution
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What is the average of the squares of the first 41 natural numbers?
