Question

The flexural tensile strength of M25 grade of concrete in N/mm${}^2$ as per IS:456-2000 is _______.

• A. 3.5

Answer 1

The correct option is A 3.5
Flexural tensile strength $=0.7\sqrt{f_{ck}}N/m{m}^2$
$=0.7\sqrt{25}=3.5N/m{m}^2$