A person broke his right arm and it is now in plaster, so he cannot wipe his head or right foot with it in wuḍū’. Can he wipe his head and right foot with his left hand? Or should he ask another person to do it for him?
They are slaughtering an animal and a person passes by them. He guesses that some blood has been sprinkled on his clothes but he does not investigate. After prayer, he comes to know that the amount of blood is more than the exempted one. Is his prayer valid?
In the following issue, do you mean obligatory caution or mustaḥabb one? If one guesses (more than fifty percent) about the number of prostrations or rukū‘, he should – by caution perform prostration/rukū‘ again and say the prayer again as well.
When the prayer leader is in rukū‘, assuming a ma’mūm joins the prayer, recites the takbīrah al-iḥrām but, then, fails to enter the state of rukū‘ with the prayer leader, what becomes of the ma‘mūm‘s duty thereafter?