Is the prayer of the person standing by himself behind the row considered invalid?

Is prayer obligatory for an elderly woman who is suffering from memory loss, taking into consideration the fact that family members assist her in the prayer's tenets?

Is a woman required to uncover her hands or fingers during the Tashahhud in prayer?

Some prayer performers start reciting Al-Fatiha when rising for the next Rak'ah before fully standing upright. Consequently, the phrase (Bismillahir Rahmanir Raheem) or a part of it may occur before completing the standing position. Is their prayer valid?

What is the ruling of Sharia on prolonging Qunut supplication during Fajr prayer?

Is it allowed for a doctor who is performing a surgical operation that lasts for several hours to combine two prayers?

Recently, we have noticed the phenomenon of young boys with beautiful voices leading prayers in mosques. Is there a specific age for an Imam (One who leads people in prayer)?

What is the ruling of Islam on the one who prays while under the influence of drugs, but still aware of what they are doing. Is their prayer valid?

What is the ruling of Sharia when the Imam calls to Taraweeh prayer by saying : "Taraweeh may Allah reward you" and what is the ruling on doing Thikr between its Rakhas?

Is the prayer of the one praying alone or in congregation while having a piece of candy in their mouth considered valid or not?

I work as an Imam and since I have sustained a back injury, I lead the prayer while sitting on a chair and can`t make ruku or sujud. What is the ruling of Sharia on my prayer and that of those praying behind me?

We are a team that works on a drilling rig in the Dead Sea area. We work different shifts six days a week. Unfortunately, we can`t stop the rig at prayer time and it moves half a circle left and right. It deviates (45) degrees right and left from the direction of the Qibla, so it becomes impossible for us to pray towards the Qibla because the rig keeps rotating. How can we pray while on this rig?

What is the ruling of Sharia on holding more than one congregation concurrently for the same prayer in the same mosque?

Which ruling comes first: Combining prayers during rain or offering each prayer at its prescribed time?

Should the Imam be followed when joining prayers because of rain or this isn`t allowed for the praying person who doesn`t meet the conditions and rules of this concession?