Summarized Fatawaa
• Should one obey his mother even if she was wrong?
Obeying one`s mother is mandatory in matters that are beneficial to her and as long as she drive her children to commit sin.
• Should one who doesn`t perform prayer out of laziness make it up later, and how should he/she do so?
He/she is obliged to make up missed prayers by offering with each obligatory prayer another one, and if he/she offers two, then it is better .
• Is Zakah(obligatory charity) due on rented property, and how is it calculated?
Zakah isn`t due on the rented property itself, but on the saved income from that property if it reached Nissab(minimum amount liable for Zakah), and a whole lunar year had lapsed over saving it.
• Is it permissible for a wife to leave her house without obtaining the permission of her husband, and not to come back unless he divorces her co-wife?
It is forbidden for the wife to leave without obtaining her husband`s permission, and it is impermissible for her to ask him to divorce her co-wife as this inflicts harm on the latter and such an act is forbidden in Islamic law.