Q40. Work out the quantity of stone metal required for 2 Km length & 4.0 m wide road for wearing coat. The thickness of the metal required is 12 cm loose compacted to 8
см.
(A) 6400 m3
(B) 800 m
(C) 640 m
(D) 960 m
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Answer:
800
Explanation:
the thickness of the metal 890
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