R

Ranjeet • 34.60K Points
Instructor I

Q. The concrete mix of grade M 25 means that the compressive strength of 15 cm cubes at 28 days after mixing is ?

  • (A) 15 N/mm²
  • (B) 20 N/mm²
  • (C) 25 N/mm²
  • (D) 30 N/mm²
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