# CBSE Class 10 Answered

**please tell fast**

Asked by pranavjain | 01 May, 2010, 05:11: PM

Expert Answer

Length = 18m and 72cm = 1872 cm

Breadth = 13m and 20cm = 1320 cm

Area = 1872x1320 = NxArea of one tile.

Area = 1872x1320 = LCMxHCF.

1872 = 2^{4}x3^{2}x13

1320 = 2^{3}x5^{2}x11

HCF = 2^{3} = 8

Hence least number of possible tiles required are 8.

Regards,

Team,

TopperLearning.

Answered by | 02 May, 2010, 10:37: AM

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