1.

Flexible concrete is a mix comprising of

A. Gravel, filler and 30/40 bitumen
B. Sand, filler and 30/40 bitumen only
C. Gravel, sand, filler and 60/70 bitumen
D. Sand, filler and 60/70 bitumen only
Answer» D. Sand, filler and 60/70 bitumen only


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