A rectangular courtyard with a length of 10m 50cm and a breadth of 4m 20cm is to be paved with square stones of the same size. The least no. of such stones required are __
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Answer:
375 square slabs.
Explanation:
Length of the courtyard= 10 m 50 cm
= 150 cm
Breadth of the courtyard= 4 m 20 cm
= 420 cm
Area of Courtyard= (l*b) sq unit
= (150*420) sq cm
= 63000 sq cm.
Side of square stones= 420 cm
Perimeter of square stones= 4*(S)cm
= 4* (420)cm
= 168 cm
No. of square slabs needed= 63000÷168
= 375 square slabs.
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