For lean concrete bases and simple foundation for masonry walls _____ – McqOptions

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1.	For lean concrete bases and simple foundation for masonry walls ________ grades of concrete may be used.
A.	M40 and M35
B.	M5 and M7.5
C.	M10 and M20
D.	M1.5 and M2.5
Answer» C. M10 and M20

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