The flexural strength of M 30 concrete as per IS: 456-2000

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The flexural strength of M 30 concrete as per IS: 456-2000 is

1. 3.83 MPa
2. 5.47 MPa
3. 21.23 MPa
4. 30.0 MPa

Correct Option: A

Flexural strength, F_cr = 0.7√ f_ck
= 0.7 × √30
= 3.83 N/mm² = 3.83 MPa