Namaaz ke ba'd dua

Q: Kya har farz namaaz ke baad dua mangna zaroori hota he, aur agar koi insaan jab qaza namaze parh raha he aur wo ayk sath 5, 6 parhe to kya har namaaz ke baad dua maangni ho gi ya akheer me ayk hi baar maang le?

Q: Kya namaz ke baad jab imam saheb dua karwate he ya tasbeeh parh rahe hote he to hum ne bhi dua karni hoti he ya tasbeeh parhni hoti he ya hum khaamooh rehna hota he?