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Q: As per IS : 456 – 2000, the range of standard concrete is
  • A. M-25 to M-55
  • B. M-20 to M-55
  • C. M-25 to M-50
  • D. None of these
Correct Answer: Option A - See the above explanation.
A. See the above explanation.

Explanations:

See the above explanation.