Question
Eight birds P, Q, R, S, T, U, V and N are sitting in a
row facing North."T' is fourth to the left of 'P'. 'S' is fourth to the right of 'N'. 'R' and 'U' are not sitting at the ends, but are neighbours of 'Q' and "T" respectively. 'N' is next to the left of 'P' and 'P is the immediate neighbour of 'Q'. Who is sitting on the extreme right?Solution
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The difference between each Internal angle and each external angle of a polygon is 60°. Find the number of Sides.
