A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than

A 1st class brick immersed in water for 24 hours, should not absorb wa

1.	A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
A.	10%
B.	15%
C.	20%
D.	25%
E.	5%.
Answer» D. 25%