How many paying stones, each measuring 2 1/2 m * 2 m are required to p – McqOptions

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1.	How many paying stones, each measuring 2 1/2 m * 2 m are required to pave a rectangular court yard 30 m long and 16 1/2 m board?
A.	99
B.	90
C.	95
D.	100
Answer» B. 90

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