Question

rectangular Courtyard is 18m 72cm long and 13 M 20 CM brought it is to be paved with square styles of the same size and the least possible number of sir styles

Answer 1

$l = 18m72cm = 1872cm \\ b = 13m20cm = 1320cm \\ hcf \: of \: 1872 \: and \: 1320 = 24 \\ 1872 \div 24 = 78 \\ 1320 \div 24 = 44\\no \: of \: tiles =78 \times 44 = 3432$