Concrete of characteristic strength 30 MPa is required. If 40 specimens of concrete cubes are to be tested, the minimum number of specimens having at least 30 MPa strength should be

Consider the statements P and Q.

P: Client’s Preliminary Estimate is used for budgeting costs toward the end of planning and design phase.

Q: Client’s Detailed Estimate is used for controlling costs during the execution of the project.

Which one of the following options is CORRECT?

Which one of the following statements related to bitumen is FALSE?

The smallest positive root of the equation $$x^5 - 5 x^4 - 10 x^3 + 50 x^2 + 9 x - 45 = 0$$ lies in the range