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Q: As per IS 456:2000, the characteristic compressive strength of 150 mm cube of M 65 grade concrete at 28 days, is
  • A. 70 N/mm²
  • B. 52 N/mm²
  • C. 65 N/mm²
  • D. 60 N/mm²
Correct Answer: Option C -
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Explanations:

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