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A hall 50m long and 45m broad is to b...

A hall 50m long and 45m broad is to be paved with square tiles. Find the largest tile as well as its number in the given options so that the tiles exactly fit in the hall. (a) 36 sq. m and 80 tiles     (b) 16 sq. m and 80 tiles (c) 25 sq. m and 90 tiles       (d) 36 sq. m and 90 tiles

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