Consider the following statements:
Assertion (A): The lower the difference between the minimum strength and the mean strength of a concrete mix, the lower the cement content to be used.
Reason (R): The method for controlling, the difference between the minimum strength and the mean strength is quality control.
The correct answer is
1
A and R are both correct and R is the correct explanation of A
2
A and R are both correct and R is NOT the correct explanation of A
3
A is correct, but R is NOT correct
4
A is NOT correct, but R is correct
5
Question Not Attempted