Is it permissible for men to wear silver bracelets and necklaces?
Men are allowed to wear silver rings, but they aren`t allowed to wear bracelets and necklaces because they imitate women by doing so.
Is Zakah(obligatory charity)due on land intended for selling?
Yes, lands intended for selling are evaluated, and Zakah is paid according to their estimated value after a lunar year had lapsed, but if the owner didn`t pay the due Zakah, then he should do so after selling them.
Is it permissible for the doctor to uncover the hair of a female patient out of necessity?
It is only permissible for him to do so when there is no female doctor, and he should examine the patient in the presence of one of her Mahrams(unmarriageable kin).
Is my son who was breastfed one filling time by my aunt considered a brother to her children?
The baby who was suckled five sporadic times by a woman is considered a son/daughter of hers.