Cement mortars richer than 1 : 3 are not used in masonry because
(i) There is no gain in strength of masonry
(ii) There is high shrinkage
(iii) They are prone to segregation

A. Only (ii) is correct

B. (i) and (ii) are correct

C. (ii) and (iii) are correct

D. (i), (ii) and (iii) are correct

Answer: Option B