50%
60%
70%
80%
3
5
7.5
10
high shrinkage
less strength
both [a] and [b]
none of above
Only (ii) is correct
(i) and (ii) are correct
(ii) and (iii) are correct
(i), (ii) and (iii) are correct
50 cm
60 cm
75 cm
100 cm