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50 square stone slabs of equal size were needed to cover a floor area of 72 sq.m. Find the length of each stone slab.

A. 110 cm

B. 115 cm

C. 120 cm

D. 125 cm

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Correct Answer : C.


Area of each slab = 
                                             7250m2 =1.44m2Length of each slab =1.44                       =1.2m=120cm

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