Multiple Choice Question (MCQ)

Question: What will be the compressive strength of 15cm cube after 28 days for a ordinary concrete of grade M30?
A. 30 N/mm<sup>2</sup>
B. 36 N/mm<sup>2</sup>
C. 40 N/mm<sup>2</sup>
D. 53 N/mm<sup>2</sup>
Correct Answer: 30 N/mm<sup>2</sup>