When one comes to the mosque and finds the last row full

Ruling on praying with gaps in the rows for fear of catching coronavirus (Covid-19)

Ruling on attending Jumu‘ah prayer and prayers in congregation in the event of an epidemic or fear of an epidemic

Ruling on putting chairs at the back of the mosque and not allowing those who sit on them to pray in the first rows

Is it permissible to delay prayer in order to solve problems?

The virtue of catching up with the opening takbeer is not cancelled out by putting two prayers together in the mosque

What should a person who joined the prayer late do, if the imam made a mistake and said the tasleem after the third rak‘ah of a four-rak‘ah prayer, then remembered and stood up to do a fourth rak‘ah?

They prayed behind someone who did not say the takbeer and tasleem out loud; what is the ruling on their prayer?

He decided (and formed the intention) to carry on praying on his own because the sound of the imam’s voice was cut off, then the sound was restored, and he found that he had gone ahead of his imam in the prayer. What is the ruling?

They refuse to pray in congregation on the grounds that the imam charges a fee for leading the prayers!