Length = 80 m and breadth = 60 m If one moves along the two adjacent sides, one covers 80+60 = 140 m. Diagonal of the rectangle = √ ( length^2 + breadth^2) ...
Total number of cards = 52 Number of odd cards in one set = 4 Number of odd cards in total 4 sets= 4*4=16 52-16 = 36 = number of not odd cards 36/52 = 9/13
