self Maths Puzzle

A man builds a four-walled house. Each of the walls, on the outside, face due south. The man looks out the window and sees a bear. What colour is the bear?

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self Other Question

in a sequence A(n) is defined by,A(1)=2 and A(n+1)=A(n)+2*n. find the value of A(200). What's the missing letter?

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