Question

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

• A. 3.83 MPa
• B. 5.47 MPa
• C. 21.23 MPa
• D. 30.0 MPa

Answer 1

The correct option is A 3.83 MPa

Flexural strength of M30 concrete,
$f_{cr}=0.7\sqrt{f_{ck}}$
$=0.7\sqrt{30}=3.83$ MPa