A room is 4 meters 37 cm long and 3 meters 23cm broad. It is required to pave the floor with minimum square slabs. Find the number of slabs required for this purpose?

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A room is 4 meters 37 cm long and 3 meters 23cm broad. It is required to pave the floor with minimum square slabs. Find the number of slabs required for this purpose?

A. 485
B. 431
C. 391
D. 381
Explanation:
HCF of 323, 437 = 19
323 * 437 = 19 * 19 * x
x = 391