Subject :IMO Class : Class 5

John has a rectangular floor of length 432 cm and breadth 280 cm.
He wants to cover it using square tiles of maximum size without cutting, overlapping or leaving gaps between the tiles.
What is the area of such square tiles?

A4 cm^{2}

B16 cm^{2}

C64 cm^{2}

D100 cm^{2}