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Q: A concrete of M60 grade obtains a cube strength of 80 MPa. If the cube strength is to be considered as the characteristic strength, then the modulus of elasticity (N/mm2) shall be approximately equal to (answer to the nearest thousand value):
  • A. 35,000
  • B. 45,000
  • C. 50,000
  • D. 40,000
Correct Answer: Option B -
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Explanations:

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